1593 lines
		
	
	
		
			29 KiB
		
	
	
	
		
			V
		
	
	
			
		
		
	
	
			1593 lines
		
	
	
		
			29 KiB
		
	
	
	
		
			V
		
	
	
fn test_pointer() {
 | 
						|
	mut arr := []&int{}
 | 
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	a := 1
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	b := 2
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	c := 3
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	arr << &a
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	arr << &b
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	arr << &c
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	assert *arr[0] == 1
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	arr[1] = &c
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						|
	assert *arr[1] == 3
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	mut d_arr := [arr] // [][]&int
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	d_arr << arr
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	assert *d_arr[0][1] == 3
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	println(*d_arr[0][1])
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	assert *d_arr[1][0] == 1
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}
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						|
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fn test_assign() {
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	mut arr := [2, 4, 8, 16, 32, 64, 128]
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	arr[0] = 2
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	arr[1] &= 255
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	arr[2] |= 255
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	arr[3] <<= 4
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	arr[4] >>= 4
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	arr[5] %= 5
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	arr[6] ^= 3
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	assert arr[0] == 2
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						|
	assert arr[1] == 4 & 255
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						|
	assert arr[2] == 8 | 255
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						|
	assert arr[3] == 16 << 4
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	assert arr[4] == 32 >> 4
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	assert arr[5] == 64 % 5
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	assert arr[6] == 128 ^ 3
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}
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 | 
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fn test_ints() {
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	mut a := [1, 5, 2, 3]
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	assert a.len == 4
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						|
	assert a[0] == 1
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						|
	assert a[2] == 2
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						|
	assert a.last() == 3
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						|
	a << 4
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						|
	assert a.len == 5
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						|
	assert a[4] == 4
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						|
	assert a.last() == 4
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						|
	s := a.str()
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	assert s == '[1, 5, 2, 3, 4]'
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						|
	assert a[1] == 5
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						|
	assert a.last() == 4
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}
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						|
 | 
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fn test_deleting() {
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						|
	mut a := [1, 5, 2, 3, 4]
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						|
	assert a.len == 5
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	assert a.str() == '[1, 5, 2, 3, 4]'
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						|
	a.delete(0)
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						|
	assert a.str() == '[5, 2, 3, 4]'
 | 
						|
	assert a.len == 4
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						|
	a.delete(1)
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						|
	assert a.str() == '[5, 3, 4]'
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						|
	assert a.len == 3
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						|
	a.delete(a.len - 1)
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	assert a.str() == '[5, 3]'
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	assert a.len == 2
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}
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 | 
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fn test_slice_delete() {
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	mut a := [1.5, 2.5, 3.25, 4.5, 5.75]
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	b := a[2..4]
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	a.delete(0)
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	assert a == [2.5, 3.25, 4.5, 5.75]
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	assert b == [3.25, 4.5]
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	a = [3.75, 4.25, -1.5, 2.25, 6.0]
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	c := a[..3]
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	a.delete(2)
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	assert a == [3.75, 4.25, 2.25, 6.0]
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	assert c == [3.75, 4.25, -1.5]
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}
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						|
 | 
						|
fn test_delete_many() {
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	mut a := [1, 2, 3, 4, 5, 6, 7, 8, 9]
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						|
	b := a[2..6]
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	a.delete_many(4, 3)
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						|
	assert a == [1, 2, 3, 4, 8, 9]
 | 
						|
	assert b == [3, 4, 5, 6]
 | 
						|
	c := a[..a.len]
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						|
	a.delete_many(2, 0) // this should just clone
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						|
	a[1] = 17
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						|
	assert a == [1, 17, 3, 4, 8, 9]
 | 
						|
	assert c == [1, 2, 3, 4, 8, 9]
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	a.delete_many(0, a.len)
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	assert a == []int{}
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}
 | 
						|
 | 
						|
fn test_short() {
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						|
	a := [1, 2, 3]
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						|
	assert a.len == 3
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						|
	assert a.cap == 3
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						|
	assert a[0] == 1
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						|
	assert a[1] == 2
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						|
	assert a[2] == 3
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}
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						|
 | 
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fn test_large() {
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	mut a := [0].repeat(0)
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						|
	for i in 0 .. 10000 {
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		a << i
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	}
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	assert a.len == 10000
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						|
	assert a[234] == 234
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}
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						|
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						|
struct Chunk {
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	val string
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}
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						|
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struct Kkk {
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	q []Chunk
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}
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fn test_empty() {
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	mut chunks := []Chunk{}
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						|
	a := Chunk{}
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						|
	assert chunks.len == 0
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						|
	chunks << a
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						|
	assert chunks.len == 1
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						|
	chunks = []
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						|
	assert chunks.len == 0
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						|
	chunks << a
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	assert chunks.len == 1
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}
 | 
						|
 | 
						|
fn test_push() {
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	mut a := []int{}
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						|
	a << 1
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						|
	a << 3
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						|
	assert a[1] == 3
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						|
	assert a.str() == '[1, 3]'
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}
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						|
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						|
fn test_insert() {
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	mut a := [1, 2]
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						|
	a.insert(0, 3)
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	assert a[0] == 3
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						|
	assert a[2] == 2
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						|
	assert a.len == 3
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	a.insert(1, 4)
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	assert a[1] == 4
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						|
	assert a[2] == 1
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						|
	assert a.len == 4
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						|
	a.insert(4, 5)
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						|
	assert a[4] == 5
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						|
	assert a[3] == 2
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						|
	assert a.len == 5
 | 
						|
	mut b := []f64{}
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						|
	assert b.len == 0
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						|
	b.insert(0, f64(1.1))
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	assert b.len == 1
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	assert b[0] == f64(1.1)
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}
 | 
						|
 | 
						|
fn test_insert_many() {
 | 
						|
	mut a := [3, 4]
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						|
	a.insert(0, [1, 2])
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	assert a == [1, 2, 3, 4]
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	b := [5, 6]
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	a.insert(1, b)
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	assert a == [1, 5, 6, 2, 3, 4]
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}
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						|
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fn test_prepend() {
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	mut a := []int{}
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	assert a.len == 0
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	a.prepend(1)
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						|
	assert a.len == 1
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						|
	assert a[0] == 1
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						|
	mut b := []f64{}
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						|
	assert b.len == 0
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	b.prepend(f64(1.1))
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						|
	assert b.len == 1
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						|
	assert b[0] == f64(1.1)
 | 
						|
}
 | 
						|
 | 
						|
fn test_prepend_many() {
 | 
						|
	mut a := [3, 4]
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						|
	a.prepend([1, 2])
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						|
	assert a == [1, 2, 3, 4]
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						|
	b := [5, 6]
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						|
	a.prepend(b)
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						|
	assert a == [5, 6, 1, 2, 3, 4]
 | 
						|
}
 | 
						|
 | 
						|
fn test_strings() {
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						|
	a := ['a', 'b', 'c']
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						|
	assert a.str() == "['a', 'b', 'c']"
 | 
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}
 | 
						|
 | 
						|
/*
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						|
fn test_compare_ints() {
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    assert compare_ints(1, 2) == -1
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						|
    assert compare_ints(2, 1) == 1
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    assert compare_ints(0, 0) == 0
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    a := 1
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    b := 2
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    assert compare_ints(a, b) == -1
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    assert compare_ints(b, a) == 1
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    assert compare_ints(a, a) == 0
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}
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*/
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fn test_repeat_int() {
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	a := [1234].repeat(5)
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						|
	dump(a)
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	assert a.len == 5
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						|
	for x in a {
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		assert x == 1234
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	}
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}
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fn test_repeat_f64() {
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						|
	a := [1.1].repeat(10)
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						|
	dump(a)
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						|
	assert a.len == 10
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						|
	assert a[0] == 1.1
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						|
	assert a[5] == 1.1
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						|
	assert a[9] == 1.1
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}
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						|
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						|
fn test_repeat_f32() {
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	a := [f32(1.1)].repeat(10)
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						|
	dump(a)
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						|
	assert a.len == 10
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						|
	assert a[0] == f32(1.1)
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						|
	assert a[5] == f32(1.1)
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	assert a[9] == f32(1.1)
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}
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fn test_repeat_i64() {
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	a := [i64(-123)].repeat(10)
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	dump(a)
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						|
	assert a.len == 10
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						|
	assert a[0] == -123
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	assert a[5] == -123
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	assert a[9] == -123
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}
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fn test_repeat_u64() {
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						|
	a := [u64(123)].repeat(10)
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						|
	assert a[0] == 123
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	assert a[5] == 123
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						|
	assert a[9] == 123
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}
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fn test_repeat_several_ints() {
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	a := [1, 2].repeat(2)
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						|
	dump(a)
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						|
	assert a.len == 4
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						|
	assert a[0] == 1
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						|
	assert a[1] == 2
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	assert a[2] == 1
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	assert a[3] == 2
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}
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fn test_repeat_several_strings_2() {
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	a := ['1', 'abc'].repeat(2)
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						|
	dump(a)
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						|
	assert a.len == 4
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						|
	assert a[0] == '1'
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						|
	assert a[1] == 'abc'
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						|
	assert a[2] == '1'
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						|
	assert a[3] == 'abc'
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}
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						|
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fn test_repeat_several_strings_0() {
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						|
	mut a := ['1', 'abc'].repeat(0)
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						|
	dump(a)
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						|
	assert a.len == 0
 | 
						|
	a << 'abc'
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						|
	assert a[0] == 'abc'
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						|
}
 | 
						|
 | 
						|
fn test_deep_repeat() {
 | 
						|
	mut a3 := [[[1, 1], [2, 2], [3, 3]], [[4, 4], [5, 5], [6, 6]]]
 | 
						|
	r := a3.repeat(3)
 | 
						|
	dump(r)
 | 
						|
	a3[1][1][0] = 17
 | 
						|
	assert r == [
 | 
						|
		[[1, 1], [2, 2], [3, 3]],
 | 
						|
		[[4, 4], [5, 5], [6, 6]],
 | 
						|
		[[1, 1], [2, 2], [3, 3]],
 | 
						|
		[[4, 4], [5, 5], [6, 6]],
 | 
						|
		[[1, 1], [2, 2], [3, 3]],
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						|
		[[4, 4], [5, 5], [6, 6]],
 | 
						|
	]
 | 
						|
	assert a3 == [[[1, 1], [2, 2], [3, 3]], [[4, 4], [17, 5], [6, 6]]]
 | 
						|
}
 | 
						|
 | 
						|
fn test_right() {
 | 
						|
	a := [1, 2, 3, 4]
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						|
	c := a[1..a.len]
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						|
	d := a[1..]
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						|
	assert c[0] == 2
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						|
	assert c[1] == 3
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						|
	assert d[0] == 2
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						|
	assert d[1] == 3
 | 
						|
}
 | 
						|
 | 
						|
fn test_left() {
 | 
						|
	a := [1, 2, 3]
 | 
						|
	c := a[0..2]
 | 
						|
	d := a[..2]
 | 
						|
	assert c[0] == 1
 | 
						|
	assert c[1] == 2
 | 
						|
	assert d[0] == 1
 | 
						|
	assert d[1] == 2
 | 
						|
}
 | 
						|
 | 
						|
fn test_slice() {
 | 
						|
	a := [1, 2, 3, 4]
 | 
						|
	b := a[2..4]
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						|
	assert b.len == 2
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						|
	assert a[1..2].len == 1
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						|
	assert a.len == 4
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						|
}
 | 
						|
 | 
						|
fn test_push_many() {
 | 
						|
	mut a := [1, 2, 3]
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						|
	b := [4, 5, 6]
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						|
	a << b
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						|
	assert a.len == 6
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						|
	assert a[0] == 1
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						|
	assert a[3] == 4
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						|
	assert a[5] == 6
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						|
}
 | 
						|
 | 
						|
fn test_reverse() {
 | 
						|
	a := [1, 2, 3, 4]
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						|
	b := ['test', 'array', 'reverse']
 | 
						|
	c := a.reverse()
 | 
						|
	println(c)
 | 
						|
	d := b.reverse()
 | 
						|
	for i, _ in c {
 | 
						|
		assert c[i] == a[a.len - i - 1]
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						|
	}
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						|
	for i, _ in d {
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						|
		assert d[i] == b[b.len - i - 1]
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						|
	}
 | 
						|
	e := []int{}
 | 
						|
	f := e.reverse()
 | 
						|
	assert f.len == 0
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						|
}
 | 
						|
 | 
						|
const (
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	c_n = 5
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)
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						|
 | 
						|
struct Foooj {
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						|
	a [5]int // c_n
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						|
}
 | 
						|
 | 
						|
fn test_fixed() {
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						|
	mut nums := [4]int{}
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						|
	// x := nums[1..3]
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						|
	// assert x.len == 2
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						|
	assert nums[0] == 0
 | 
						|
	assert nums[1] == 0
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						|
	assert nums[2] == 0
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						|
	assert nums[3] == 0
 | 
						|
	nums[1] = 7
 | 
						|
	assert nums[1] == 7
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						|
	nums2 := [5]int{} // c_n
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						|
	assert nums2[c_n - 1] == 0
 | 
						|
}
 | 
						|
 | 
						|
fn modify(mut numbers []int) {
 | 
						|
	numbers[0] = 777
 | 
						|
}
 | 
						|
 | 
						|
fn test_mut_slice() {
 | 
						|
	mut n := [1, 2, 3]
 | 
						|
	// modify(mut n)
 | 
						|
	modify(mut n[..2])
 | 
						|
	assert n[0] == 777
 | 
						|
	modify(mut n[2..])
 | 
						|
	assert n[2] == 777
 | 
						|
	println(n)
 | 
						|
}
 | 
						|
 | 
						|
fn double_up(mut a []int) {
 | 
						|
	for i := 0; i < a.len; i++ {
 | 
						|
		a[i] = a[i] * 2
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
fn double_up_v2(mut a []int) {
 | 
						|
	for i, _ in a {
 | 
						|
		a[i] = a[i] * 2 // or val*2, doesn't matter
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
fn test_mut_arg() {
 | 
						|
	mut arr := [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
 | 
						|
	double_up(mut arr)
 | 
						|
	assert arr.str() == '[2, 4, 6, 8, 10, 12, 14, 16, 18, 20]'
 | 
						|
	arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
 | 
						|
	double_up_v2(mut arr)
 | 
						|
	assert arr.str() == '[2, 4, 6, 8, 10, 12, 14, 16, 18, 20]'
 | 
						|
}
 | 
						|
 | 
						|
fn test_clone() {
 | 
						|
	nums := [1, 2, 3, 4, 100]
 | 
						|
	_ = nums
 | 
						|
	nums2 := nums.clone()
 | 
						|
	assert nums2.len == 5
 | 
						|
	assert nums.str() == '[1, 2, 3, 4, 100]'
 | 
						|
	assert nums2.str() == '[1, 2, 3, 4, 100]'
 | 
						|
	assert nums[1..3].str() == '[2, 3]'
 | 
						|
}
 | 
						|
 | 
						|
/*
 | 
						|
fn test_copy() {
 | 
						|
	a := [1, 2, 3]
 | 
						|
	b := a
 | 
						|
	assert b[0] == 1
 | 
						|
	assert b[1] == 2
 | 
						|
	assert b[2] == 3
 | 
						|
}
 | 
						|
*/
 | 
						|
fn test_multi_array_clone() {
 | 
						|
	// 2d array_int
 | 
						|
	mut a2_1 := [[1, 2, 3], [4, 5, 6]]
 | 
						|
	mut a2_2 := a2_1.clone()
 | 
						|
	a2_1[0][1] = 0
 | 
						|
	a2_2[1][0] = 0
 | 
						|
	assert a2_1 == [[1, 0, 3], [4, 5, 6]]
 | 
						|
	assert a2_2 == [[1, 2, 3], [0, 5, 6]]
 | 
						|
	// 2d array_string
 | 
						|
	mut b2_1 := [['1', '2', '3'], ['4', '5', '6']]
 | 
						|
	mut b2_2 := b2_1.clone()
 | 
						|
	b2_1[0][1] = '0'
 | 
						|
	b2_2[1][0] = '0'
 | 
						|
	assert b2_1 == [['1', '0', '3'], ['4', '5', '6']]
 | 
						|
	assert b2_2 == [['1', '2', '3'], ['0', '5', '6']]
 | 
						|
	// 3d array_int
 | 
						|
	mut a3_1 := [[[1, 1], [2, 2], [3, 3]], [[4, 4], [5, 5], [6, 6]]]
 | 
						|
	mut a3_2 := a3_1.clone()
 | 
						|
	a3_1[0][0][1] = 0
 | 
						|
	a3_2[0][1][0] = 0
 | 
						|
	assert a3_1 == [[[1, 0], [2, 2], [3, 3]], [[4, 4], [5, 5],
 | 
						|
		[6, 6]]]
 | 
						|
	assert a3_2 == [[[1, 1], [0, 2], [3, 3]], [[4, 4], [5, 5],
 | 
						|
		[6, 6]]]
 | 
						|
	// 3d array_string
 | 
						|
	mut b3_1 := [[['1', '1'], ['2', '2'], ['3', '3']], [['4', '4'],
 | 
						|
		['5', '5'], ['6', '6']]]
 | 
						|
	mut b3_2 := b3_1.clone()
 | 
						|
	b3_1[0][0][1] = '0'
 | 
						|
	b3_2[0][1][0] = '0'
 | 
						|
	assert b3_1 == [[['1', '0'], ['2', '2'], ['3', '3']], [['4', '4'],
 | 
						|
		['5', '5'], ['6', '6']]]
 | 
						|
	assert b3_2 == [[['1', '1'], ['0', '2'], ['3', '3']], [['4', '4'],
 | 
						|
		['5', '5'], ['6', '6']]]
 | 
						|
}
 | 
						|
 | 
						|
fn test_doubling() {
 | 
						|
	mut nums := [1, 2, 3, 4, 5]
 | 
						|
	for i in 0 .. nums.len {
 | 
						|
		nums[i] *= 2
 | 
						|
	}
 | 
						|
	println(nums.str())
 | 
						|
	assert nums.str() == '[2, 4, 6, 8, 10]'
 | 
						|
}
 | 
						|
 | 
						|
struct Test2 {
 | 
						|
	one int
 | 
						|
	two int
 | 
						|
}
 | 
						|
 | 
						|
struct Test {
 | 
						|
	a string
 | 
						|
mut:
 | 
						|
	b []Test2
 | 
						|
}
 | 
						|
 | 
						|
// TODO: default array/struct str methods
 | 
						|
fn (ta []Test2) str() string {
 | 
						|
	mut s := '['
 | 
						|
	for i, t in ta {
 | 
						|
		s += t.str()
 | 
						|
		if i < ta.len - 1 {
 | 
						|
			s += ', '
 | 
						|
		}
 | 
						|
	}
 | 
						|
	s += ']'
 | 
						|
	return s
 | 
						|
}
 | 
						|
 | 
						|
fn (t Test2) str() string {
 | 
						|
	return '{$t.one $t.two}'
 | 
						|
}
 | 
						|
 | 
						|
fn (t Test) str() string {
 | 
						|
	return '{$t.a $t.b}'
 | 
						|
}
 | 
						|
 | 
						|
fn test_struct_print() {
 | 
						|
	mut a := Test{
 | 
						|
		a: 'Test'
 | 
						|
		b: []
 | 
						|
	}
 | 
						|
	b := Test2{
 | 
						|
		one: 1
 | 
						|
		two: 2
 | 
						|
	}
 | 
						|
	a.b << b
 | 
						|
	a.b << b
 | 
						|
	assert a.str() == '{Test [{1 2}, {1 2}]}'
 | 
						|
	assert b.str() == '{1 2}'
 | 
						|
	assert a.b.str() == '[{1 2}, {1 2}]'
 | 
						|
}
 | 
						|
 | 
						|
fn test_single_element() {
 | 
						|
	mut a := [1]
 | 
						|
	a << 2
 | 
						|
	assert a.len == 2
 | 
						|
	assert a[0] == 1
 | 
						|
	assert a[1] == 2
 | 
						|
	println(a)
 | 
						|
}
 | 
						|
 | 
						|
fn test_find_index() {
 | 
						|
	// string
 | 
						|
	a := ['v', 'is', 'great']
 | 
						|
	assert a.index('v') == 0
 | 
						|
	assert a.index('is') == 1
 | 
						|
	assert a.index('gre') == -1
 | 
						|
	// int
 | 
						|
	b := [1, 2, 3, 4]
 | 
						|
	assert b.index(1) == 0
 | 
						|
	assert b.index(4) == 3
 | 
						|
	assert b.index(5) == -1
 | 
						|
	// byte
 | 
						|
	c := [0x22, 0x33, 0x55]
 | 
						|
	assert c.index(0x22) == 0
 | 
						|
	assert c.index(0x55) == 2
 | 
						|
	assert c.index(0x99) == -1
 | 
						|
	// char
 | 
						|
	d := [`a`, `b`, `c`]
 | 
						|
	assert d.index(`b`) == 1
 | 
						|
	assert d.index(`c`) == 2
 | 
						|
	assert d.index(`u`) == -1
 | 
						|
}
 | 
						|
 | 
						|
fn test_multi() {
 | 
						|
	a := [[1, 2, 3], [4, 5, 6]]
 | 
						|
	assert a.len == 2
 | 
						|
	assert a[0].len == 3
 | 
						|
	assert a[0][0] == 1
 | 
						|
	assert a[0][2] == 3
 | 
						|
	assert a[1][2] == 6
 | 
						|
	// TODO
 | 
						|
	// b :=  [ [[1,2,3],[4,5,6]], [[1,2]] ]
 | 
						|
	// assert b[0][0][0] == 1
 | 
						|
}
 | 
						|
 | 
						|
fn test_in() {
 | 
						|
	a := [1, 2, 3]
 | 
						|
	assert 1 in a
 | 
						|
	assert 2 in a
 | 
						|
	assert 3 in a
 | 
						|
	assert 4 !in a
 | 
						|
	assert 0 !in a
 | 
						|
	assert 0 !in a
 | 
						|
	assert 4 !in a
 | 
						|
	b := [1, 4, 0]
 | 
						|
	c := [3, 6, 2, 0]
 | 
						|
	assert 0 in b
 | 
						|
	assert 0 in c
 | 
						|
}
 | 
						|
 | 
						|
fn sum(prev int, curr int) int {
 | 
						|
	return prev + curr
 | 
						|
}
 | 
						|
 | 
						|
fn sub(prev int, curr int) int {
 | 
						|
	return prev - curr
 | 
						|
}
 | 
						|
 | 
						|
fn test_reduce() {
 | 
						|
	a := [1, 2, 3, 4, 5]
 | 
						|
	b := a.reduce(sum, 0)
 | 
						|
	c := a.reduce(sum, 5)
 | 
						|
	d := a.reduce(sum, -1)
 | 
						|
	assert b == 15
 | 
						|
	assert c == 20
 | 
						|
	assert d == 14
 | 
						|
	e := [1, 2, 3]
 | 
						|
	f := e.reduce(sub, 0)
 | 
						|
	g := e.reduce(sub, -1)
 | 
						|
	assert f == -6
 | 
						|
	assert g == -7
 | 
						|
}
 | 
						|
 | 
						|
fn filter_test_helper_1(a int) bool {
 | 
						|
	return a > 3
 | 
						|
}
 | 
						|
 | 
						|
fn test_filter() {
 | 
						|
	a := [1, 2, 3, 4, 5, 6]
 | 
						|
	b := a.filter(it % 2 == 0)
 | 
						|
	assert b.len == 3
 | 
						|
	assert b[0] == 2
 | 
						|
	assert b[1] == 4
 | 
						|
	assert b[2] == 6
 | 
						|
	c := ['v', 'is', 'awesome']
 | 
						|
	d := c.filter(it.len > 1)
 | 
						|
	assert d[0] == 'is'
 | 
						|
	assert d[1] == 'awesome'
 | 
						|
	////////
 | 
						|
	arr := [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
 | 
						|
	println(arr.filter(it % 2 == 0 || it % 3 == 0))
 | 
						|
	assert true
 | 
						|
	assert [1, 2, 3].len == 3
 | 
						|
	mut mut_arr := [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
 | 
						|
	mut_arr = mut_arr.filter(it < 4)
 | 
						|
	assert mut_arr.len == 3
 | 
						|
	assert a.filter(filter_test_helper_1) == [4, 5, 6]
 | 
						|
	assert [1, 5, 10].filter(filter_test_helper_1) == [5, 10]
 | 
						|
	// TODO
 | 
						|
	// assert arr.filter(arr % 2).len == 5
 | 
						|
}
 | 
						|
 | 
						|
fn test_anon_fn_filter() {
 | 
						|
	filter_num := fn (i int) bool {
 | 
						|
		return i % 2 == 0
 | 
						|
	}
 | 
						|
	assert [1, 2, 3, 4, 5].filter(filter_num) == [2, 4]
 | 
						|
}
 | 
						|
 | 
						|
fn test_anon_fn_arg_filter() {
 | 
						|
	a := [1, 2, 3, 4].filter(fn (i int) bool {
 | 
						|
		return i % 2 == 0
 | 
						|
	})
 | 
						|
	assert a == [2, 4]
 | 
						|
}
 | 
						|
 | 
						|
fn map_test_helper_1(i int) int {
 | 
						|
	return i * i
 | 
						|
}
 | 
						|
 | 
						|
fn map_test_helper_2(i int, b string) int {
 | 
						|
	return i + b.len
 | 
						|
}
 | 
						|
 | 
						|
fn map_test_helper_3(i int, b []string) int {
 | 
						|
	return i + b.map(it.len)[i % b.len]
 | 
						|
}
 | 
						|
 | 
						|
fn test_map() {
 | 
						|
	nums := [1, 2, 3, 4, 5, 6]
 | 
						|
	strs := ['v', 'is', 'awesome']
 | 
						|
	// assert nums.map() == <error>
 | 
						|
	// assert nums.map(it, 'excessive') == <error>
 | 
						|
	// identity
 | 
						|
	assert nums.map(it) == [1, 2, 3, 4, 5, 6]
 | 
						|
	assert strs.map(it) == ['v', 'is', 'awesome']
 | 
						|
	assert nums.map(it - it) == [0, 0, 0, 0, 0, 0]
 | 
						|
	assert nums.map(it - it)[0] == 0
 | 
						|
	// type switch
 | 
						|
	assert nums.map(it * 10) == [10, 20, 30, 40, 50, 60]
 | 
						|
	assert nums.map(it * it) == [1, 4, 9, 16, 25, 36]
 | 
						|
	assert nums.map('$it') == ['1', '2', '3', '4', '5', '6']
 | 
						|
	assert nums.map(it % 2 == 0) == [false, true, false, true, false, true]
 | 
						|
	assert strs.map(it.to_upper()) == ['V', 'IS', 'AWESOME']
 | 
						|
	assert strs.map(it == 'awesome') == [false, false, true]
 | 
						|
	assert strs.map(it.len in nums) == [true, true, false]
 | 
						|
	assert strs.map(int(7)) == [7, 7, 7]
 | 
						|
	// external func
 | 
						|
	assert nums.map(map_test_helper_1(it)) == [1, 4, 9, 16, 25, 36]
 | 
						|
	assert nums.map(map_test_helper_2(it, 'bb')) == [3, 4, 5, 6, 7, 8]
 | 
						|
	assert nums.map(map_test_helper_3(it, strs)) == [3, 9, 4, 6, 12, 7]
 | 
						|
	// empty array as input
 | 
						|
	assert []int{len: 0}.map(it * 2) == []
 | 
						|
	// nested maps (where it is of same type)
 | 
						|
	assert nums.map(strs.map(int(7)) == [7, 7, 7]) == [true, true, true, true, true, true]
 | 
						|
	assert nums.map('$it' + strs.map('a')[0]) == ['1a', '2a', '3a', '4a', '5a', '6a']
 | 
						|
	assert nums.map(it + strs.map(int(7))[0]) == [8, 9, 10, 11, 12, 13]
 | 
						|
	assert nums.map(it + strs.map(it.len)[0]) == [2, 3, 4, 5, 6, 7]
 | 
						|
	assert strs.map(it.len + strs.map(it.len)[0]) == [2, 3, 8]
 | 
						|
	// nested (different it types)
 | 
						|
	assert strs.map(it[nums.map(it - it)[0]]) == [u8(`v`), `i`, `a`]
 | 
						|
	assert nums[0..3].map('$it' + strs.map(it)[it - 1]) == ['1v', '2is', '3awesome']
 | 
						|
	assert nums.map(map_test_helper_1) == [1, 4, 9, 16, 25, 36]
 | 
						|
	assert [1, 5, 10].map(map_test_helper_1) == [1, 25, 100]
 | 
						|
	assert nums == [1, 2, 3, 4, 5, 6]
 | 
						|
	assert strs == ['v', 'is', 'awesome']
 | 
						|
}
 | 
						|
 | 
						|
fn test_anon_fn_map() {
 | 
						|
	add_num := fn (i int) int {
 | 
						|
		return i + 1
 | 
						|
	}
 | 
						|
	assert [1, 2, 3].map(add_num) == [2, 3, 4]
 | 
						|
}
 | 
						|
 | 
						|
fn test_multi_anon_fn_map() {
 | 
						|
	a := [1, 2, 3].map(fn (i int) int {
 | 
						|
		return i + 1
 | 
						|
	})
 | 
						|
	b := [1, 2, 3].map(fn (i int) int {
 | 
						|
		return i + 2
 | 
						|
	})
 | 
						|
	assert a == [2, 3, 4]
 | 
						|
	assert b == [3, 4, 5]
 | 
						|
}
 | 
						|
 | 
						|
fn test_anon_fn_arg_map() {
 | 
						|
	a := [1, 2, 3].map(fn (i int) int {
 | 
						|
		return i + 1
 | 
						|
	})
 | 
						|
	assert a == [2, 3, 4]
 | 
						|
}
 | 
						|
 | 
						|
fn test_anon_fn_arg_different_type_map() {
 | 
						|
	i_to_str := fn (i int) string {
 | 
						|
		return i.str()
 | 
						|
	}
 | 
						|
	a := [1, 2, 3].map(i_to_str)
 | 
						|
	assert a == ['1', '2', '3']
 | 
						|
}
 | 
						|
 | 
						|
fn test_anon_fn_inline_different_type_map() {
 | 
						|
	a := [1, 2, 3].map(fn (i int) string {
 | 
						|
		return i.str()
 | 
						|
	})
 | 
						|
	assert a == ['1', '2', '3']
 | 
						|
}
 | 
						|
 | 
						|
fn test_array_str() {
 | 
						|
	numbers := [1, 2, 3]
 | 
						|
	assert numbers == [1, 2, 3]
 | 
						|
	numbers2 := [numbers, [4, 5, 6]] // dup str() bug
 | 
						|
	println(numbers2)
 | 
						|
	assert true
 | 
						|
	assert numbers.str() == '[1, 2, 3]'
 | 
						|
	// QTODO
 | 
						|
	// assert numbers2.str() == '[[1, 2, 3], [4, 5, 6]]'
 | 
						|
}
 | 
						|
 | 
						|
struct User {
 | 
						|
	age  int
 | 
						|
	name string
 | 
						|
}
 | 
						|
 | 
						|
fn test_eq() {
 | 
						|
	assert [5, 6, 7] != [6, 7]
 | 
						|
	assert [`a`, `b`] == [`a`, `b`]
 | 
						|
	assert [User{
 | 
						|
		age: 22
 | 
						|
		name: 'bob'
 | 
						|
	}] == [User{
 | 
						|
		age: 22
 | 
						|
		name: 'bob'
 | 
						|
	}]
 | 
						|
	assert [{
 | 
						|
		'bob': 22
 | 
						|
	}, {
 | 
						|
		'tom': 33
 | 
						|
	}] == [{
 | 
						|
		'bob': 22
 | 
						|
	}, {
 | 
						|
		'tom': 33
 | 
						|
	}]
 | 
						|
	assert [[1, 2, 3], [4]] == [[1, 2, 3], [4]]
 | 
						|
}
 | 
						|
 | 
						|
fn test_fixed_array_eq() {
 | 
						|
	a1 := [1, 2, 3]!
 | 
						|
	assert a1 == [1, 2, 3]!
 | 
						|
	assert a1 != [2, 3, 4]!
 | 
						|
 | 
						|
	a2 := [[1, 2]!, [3, 4]!]!
 | 
						|
	assert a2 == [[1, 2]!, [3, 4]!]!
 | 
						|
	assert a2 != [[3, 4]!, [1, 2]!]!
 | 
						|
 | 
						|
	a3 := [[1, 2], [3, 4]]!
 | 
						|
	assert a3 == [[1, 2], [3, 4]]!
 | 
						|
	assert a3 != [[1, 1], [2, 2]]!
 | 
						|
 | 
						|
	a4 := [[`a`, `b`], [`c`, `d`]]!
 | 
						|
	assert a4 == [[`a`, `b`], [`c`, `d`]]!
 | 
						|
	assert a4 != [[`c`, `a`], [`a`, `b`]]!
 | 
						|
 | 
						|
	a5 := [['aaa', 'bbb'], ['ccc', 'ddd']]!
 | 
						|
	assert a5 == [['aaa', 'bbb'], ['ccc', 'ddd']]!
 | 
						|
	assert a5 != [['abc', 'def'], ['ccc', 'ddd']]!
 | 
						|
 | 
						|
	a6 := [['aaa', 'bbb']!, ['ccc', 'ddd']!]!
 | 
						|
	assert a6 == [['aaa', 'bbb']!, ['ccc', 'ddd']!]!
 | 
						|
	assert a6 != [['aaa', 'bbb']!, ['aaa', 'ddd']!]!
 | 
						|
 | 
						|
	a7 := [[1, 2]!, [3, 4]!]
 | 
						|
	assert a7 == [[1, 2]!, [3, 4]!]
 | 
						|
	assert a7 != [[2, 3]!, [1, 2]!]
 | 
						|
 | 
						|
	a8 := [['aaa', 'bbb']!, ['ccc', 'ddd']!]
 | 
						|
	assert a8 == [['aaa', 'bbb']!, ['ccc', 'ddd']!]
 | 
						|
	assert a8 != [['bbb', 'aaa']!, ['cccc', 'dddd']!]
 | 
						|
}
 | 
						|
 | 
						|
fn test_fixed_array_literal_eq() {
 | 
						|
	assert [1, 2, 3]! == [1, 2, 3]!
 | 
						|
	assert [1, 1, 1]! != [1, 2, 3]!
 | 
						|
 | 
						|
	assert [[1, 2], [3, 4]]! == [[1, 2], [3, 4]]!
 | 
						|
	assert [[1, 1], [2, 2]]! != [[1, 2], [3, 4]]!
 | 
						|
 | 
						|
	assert [[1, 1]!, [2, 2]!]! == [[1, 1]!, [2, 2]!]!
 | 
						|
	assert [[1, 1]!, [2, 2]!]! != [[1, 2]!, [2, 3]!]!
 | 
						|
 | 
						|
	assert [[1, 1]!, [2, 2]!] == [[1, 1]!, [2, 2]!]
 | 
						|
	assert [[1, 1]!, [2, 2]!] != [[1, 2]!, [2, 3]!]
 | 
						|
}
 | 
						|
 | 
						|
fn test_sort() {
 | 
						|
	mut a := ['hi', '1', '5', '3']
 | 
						|
	a.sort()
 | 
						|
	assert a == ['1', '3', '5', 'hi']
 | 
						|
 | 
						|
	mut nums := [67, -3, 108, 42, 7]
 | 
						|
	nums.sort()
 | 
						|
	assert nums == [-3, 7, 42, 67, 108]
 | 
						|
 | 
						|
	nums.sort(a < b)
 | 
						|
	assert nums == [-3, 7, 42, 67, 108]
 | 
						|
 | 
						|
	nums.sort(b < a)
 | 
						|
	assert nums == [108, 67, 42, 7, -3]
 | 
						|
 | 
						|
	mut users := [User{22, 'Peter'}, User{20, 'Bob'}, User{25, 'Alice'}]
 | 
						|
	users.sort(a.age < b.age)
 | 
						|
	assert users[0].age == 20
 | 
						|
	assert users[1].age == 22
 | 
						|
	assert users[2].age == 25
 | 
						|
	assert users[0].name == 'Bob'
 | 
						|
	assert users[1].name == 'Peter'
 | 
						|
	assert users[2].name == 'Alice'
 | 
						|
 | 
						|
	users.sort(a.age > b.age)
 | 
						|
	assert users[0].age == 25
 | 
						|
	assert users[1].age == 22
 | 
						|
	assert users[2].age == 20
 | 
						|
 | 
						|
	users.sort(b.age > a.age)
 | 
						|
	assert users[0].age == 20
 | 
						|
	assert users[1].age == 22
 | 
						|
	assert users[2].age == 25
 | 
						|
 | 
						|
	users.sort(a.name < b.name)
 | 
						|
	assert users[0].name == 'Alice'
 | 
						|
	assert users[1].name == 'Bob'
 | 
						|
	assert users[2].name == 'Peter'
 | 
						|
}
 | 
						|
 | 
						|
fn test_sort_with_compare() {
 | 
						|
	mut a := ['hi', '1', '5', '3']
 | 
						|
	a.sort_with_compare(fn (a &string, b &string) int {
 | 
						|
		if a < b {
 | 
						|
			return -1
 | 
						|
		}
 | 
						|
		if a > b {
 | 
						|
			return 1
 | 
						|
		}
 | 
						|
		return 0
 | 
						|
	})
 | 
						|
	assert a == ['1', '3', '5', 'hi']
 | 
						|
}
 | 
						|
 | 
						|
fn test_rune_sort() {
 | 
						|
	mut bs := [`f`, `e`, `d`, `b`, `c`, `a`]
 | 
						|
	bs.sort()
 | 
						|
	println(bs)
 | 
						|
	assert bs == [`a`, `b`, `c`, `d`, `e`, `f`]
 | 
						|
 | 
						|
	bs.sort(a > b)
 | 
						|
	println(bs)
 | 
						|
	assert bs == [`f`, `e`, `d`, `c`, `b`, `a`]
 | 
						|
 | 
						|
	bs.sort(a < b)
 | 
						|
	println(bs)
 | 
						|
	assert bs == [`a`, `b`, `c`, `d`, `e`, `f`]
 | 
						|
}
 | 
						|
 | 
						|
fn test_sort_by_different_order_of_a_b() {
 | 
						|
	mut x := [1, 2, 3]
 | 
						|
	x.sort(a < b)
 | 
						|
	println(x)
 | 
						|
	assert x == [1, 2, 3]
 | 
						|
 | 
						|
	mut y := [1, 2, 3]
 | 
						|
	y.sort(b < a)
 | 
						|
	println(y)
 | 
						|
	assert y == [3, 2, 1]
 | 
						|
}
 | 
						|
 | 
						|
fn test_f32_sort() {
 | 
						|
	mut f := [f32(50.0), 15, 1, 79, 38, 0, 27]
 | 
						|
	f.sort()
 | 
						|
	assert f == [f32(0.0), 1, 15, 27, 38, 50, 79]
 | 
						|
 | 
						|
	f.sort(a < b)
 | 
						|
	assert f == [f32(0.0), 1, 15, 27, 38, 50, 79]
 | 
						|
 | 
						|
	f.sort(b > a)
 | 
						|
	assert f == [f32(0.0), 1, 15, 27, 38, 50, 79]
 | 
						|
 | 
						|
	f.sort(b < a)
 | 
						|
	assert f == [f32(79.0), 50, 38, 27, 15, 1, 0]
 | 
						|
 | 
						|
	f.sort(a > b)
 | 
						|
	assert f == [f32(79.0), 50, 38, 27, 15, 1, 0]
 | 
						|
}
 | 
						|
 | 
						|
fn test_f64_sort() {
 | 
						|
	mut f := [50.0, 15, 1, 79, 38, 0, 27]
 | 
						|
	f.sort()
 | 
						|
	assert f[0] == 0.0
 | 
						|
	assert f[1] == 1.0
 | 
						|
	assert f[6] == 79.0
 | 
						|
}
 | 
						|
 | 
						|
fn test_i64_sort() {
 | 
						|
	mut f := [i64(50), 15, 1, 79, 38, 0, 27]
 | 
						|
	f.sort()
 | 
						|
	assert f[0] == 0
 | 
						|
	assert f[1] == 1
 | 
						|
	assert f[6] == 79
 | 
						|
}
 | 
						|
 | 
						|
fn test_sort_index_expr() {
 | 
						|
	mut f := [[i64(50), 48], [i64(15)], [i64(1)], [i64(79)], [i64(38)],
 | 
						|
		[i64(0)], [i64(27)]]
 | 
						|
	// TODO This currently gives "indexing pointer" error without unsafe
 | 
						|
	unsafe {
 | 
						|
		f.sort(a[0] < b[0])
 | 
						|
	}
 | 
						|
	assert f == [[i64(0)], [i64(1)], [i64(15)], [i64(27)], [i64(38)],
 | 
						|
		[i64(50), 48], [i64(79)]]
 | 
						|
}
 | 
						|
 | 
						|
fn test_a_b_paras_sort() {
 | 
						|
	mut arr_i := [1, 3, 2]
 | 
						|
	arr_i.sort(a < b)
 | 
						|
	println(arr_i)
 | 
						|
	assert arr_i == [1, 2, 3]
 | 
						|
	arr_i.sort(b < a)
 | 
						|
	println(arr_i)
 | 
						|
	assert arr_i == [3, 2, 1]
 | 
						|
 | 
						|
	mut arr_f := [1.1, 3.3, 2.2]
 | 
						|
	arr_f.sort(a < b)
 | 
						|
	println(arr_f)
 | 
						|
	assert arr_f == [1.1, 2.2, 3.3]
 | 
						|
	arr_f.sort(b < a)
 | 
						|
	println(arr_f)
 | 
						|
	assert arr_f == [3.3, 2.2, 1.1]
 | 
						|
}
 | 
						|
 | 
						|
/*
 | 
						|
fn test_for_last() {
 | 
						|
	numbers := [1, 2, 3, 4]
 | 
						|
	mut s := '['
 | 
						|
	for num in numbers {
 | 
						|
		s += '$num'
 | 
						|
		if !last {
 | 
						|
			s += ', '
 | 
						|
 | 
						|
		}
 | 
						|
	}
 | 
						|
	s += ']'
 | 
						|
	assert s == '[1, 2, 3, 4]'
 | 
						|
}
 | 
						|
*/
 | 
						|
struct Foo {
 | 
						|
mut:
 | 
						|
	bar []int
 | 
						|
}
 | 
						|
 | 
						|
fn test_in_struct() {
 | 
						|
	mut baz := Foo{
 | 
						|
		bar: [0, 0, 0]
 | 
						|
	}
 | 
						|
	baz.bar[0] += 2
 | 
						|
	baz.bar[0]++
 | 
						|
	assert baz.bar[0] == 3
 | 
						|
}
 | 
						|
 | 
						|
[direct_array_access]
 | 
						|
fn test_direct_modification() {
 | 
						|
	mut foo := [2, 0, 5]
 | 
						|
	foo[1] = 3
 | 
						|
	foo[0] *= 7
 | 
						|
	foo[1]--
 | 
						|
	foo[2] -= 2
 | 
						|
	assert foo[0] == 14
 | 
						|
	assert foo[1] == 2
 | 
						|
	assert foo[2] == 3
 | 
						|
}
 | 
						|
 | 
						|
fn test_bools() {
 | 
						|
	println('test b')
 | 
						|
	mut a := [true, false]
 | 
						|
	a << true
 | 
						|
	println(a)
 | 
						|
}
 | 
						|
 | 
						|
fn test_push_many_self() {
 | 
						|
	mut actual_arr := [1, 2, 3, 4]
 | 
						|
	actual_arr << actual_arr
 | 
						|
	expected_arr := [1, 2, 3, 4, 1, 2, 3, 4]
 | 
						|
	assert actual_arr.len == expected_arr.len
 | 
						|
	for i in 0 .. actual_arr.len {
 | 
						|
		assert actual_arr[i] == expected_arr[i]
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
fn test_for() {
 | 
						|
	nums := [1, 2, 3]
 | 
						|
	mut sum := 0
 | 
						|
	for num in nums {
 | 
						|
		sum += num
 | 
						|
	}
 | 
						|
	assert sum == 6
 | 
						|
}
 | 
						|
 | 
						|
fn test_clear() {
 | 
						|
	mut arr := [1, 2, 3]
 | 
						|
	assert arr.len == 3
 | 
						|
	arr.clear()
 | 
						|
	assert arr.len == 0
 | 
						|
	arr << 3
 | 
						|
	arr << 2
 | 
						|
	arr << 1
 | 
						|
	arr << 0
 | 
						|
	assert arr.len == 4
 | 
						|
	assert arr[0] == 3
 | 
						|
	assert arr[1] == 2
 | 
						|
	assert arr[2] == 1
 | 
						|
	assert arr[3] == 0
 | 
						|
	arr.clear()
 | 
						|
	assert arr.len == 0
 | 
						|
}
 | 
						|
 | 
						|
fn test_trim() {
 | 
						|
	mut arr := [1, 2, 3, 4, 5, 6, 7, 8, 9]
 | 
						|
	assert arr.len == 9
 | 
						|
	arr.trim(9)
 | 
						|
	assert arr.len == 9
 | 
						|
	assert arr.last() == 9
 | 
						|
	arr.trim(7)
 | 
						|
	assert arr.len == 7
 | 
						|
	assert arr.last() == 7
 | 
						|
	arr.trim(2)
 | 
						|
	assert arr.len == 2
 | 
						|
	assert arr.last() == 2
 | 
						|
}
 | 
						|
 | 
						|
[manualfree]
 | 
						|
fn test_drop() {
 | 
						|
	mut a := [1, 2]
 | 
						|
	a << 3 // pushing assures reallocation; a.cap now should be bigger:
 | 
						|
	assert a.cap > 3
 | 
						|
	// eprintln('>>> a.cap: $a.cap | a.len: $a.len')
 | 
						|
 | 
						|
	a.drop(-1000)
 | 
						|
	assert a == [1, 2, 3] // a.drop( negative ) should NOT modify the array
 | 
						|
	// eprintln('>>> a.cap: $a.cap | a.len: $a.len')
 | 
						|
 | 
						|
	a.drop(2)
 | 
						|
	assert a == [3]
 | 
						|
	assert a.cap > a.len
 | 
						|
	// eprintln('>>> a.cap: $a.cap | a.len: $a.len')
 | 
						|
 | 
						|
	a.drop(10)
 | 
						|
	assert a == []
 | 
						|
	assert a.cap > a.len
 | 
						|
	// eprintln('>>> a.cap: $a.cap | a.len: $a.len')
 | 
						|
 | 
						|
	a << 123
 | 
						|
	a << 456
 | 
						|
	a << 789
 | 
						|
	// eprintln('>>> a.cap: $a.cap | a.len: $a.len')
 | 
						|
	assert a == [123, 456, 789]
 | 
						|
 | 
						|
	a.drop(10)
 | 
						|
	assert a == []
 | 
						|
	// eprintln('>>> a.cap: $a.cap | a.len: $a.len')
 | 
						|
 | 
						|
	unsafe { a.free() } // test offset OK
 | 
						|
}
 | 
						|
 | 
						|
fn test_hex() {
 | 
						|
	// array hex
 | 
						|
	st := [u8(`V`), `L`, `A`, `N`, `G`]
 | 
						|
	assert st.hex() == '564c414e47'
 | 
						|
	assert st.hex().len == 10
 | 
						|
	st1 := [u8(0x41)].repeat(100)
 | 
						|
	assert st1.hex() == '41'.repeat(100)
 | 
						|
}
 | 
						|
 | 
						|
fn test_left_shift_precendence() {
 | 
						|
	mut arr := []int{}
 | 
						|
	arr << 1 + 1
 | 
						|
	arr << 1 - 1
 | 
						|
	arr << 2 / 1
 | 
						|
	arr << 2 * 1
 | 
						|
	assert arr[0] == 2
 | 
						|
	assert arr[1] == 0
 | 
						|
	assert arr[2] == 2
 | 
						|
	assert arr[3] == 2
 | 
						|
}
 | 
						|
 | 
						|
fn test_array_with_cap() {
 | 
						|
	a4 := []int{len: 1, cap: 10}
 | 
						|
	assert a4.len == 1
 | 
						|
	assert a4.cap == 10
 | 
						|
	a5 := []int{len: 1, cap: 10}
 | 
						|
	assert a5.len == 1
 | 
						|
	assert a5.cap == 10
 | 
						|
}
 | 
						|
 | 
						|
fn test_multi_array_index() {
 | 
						|
	mut a := [][]int{len: 2, init: []int{len: 3, init: 0}}
 | 
						|
	a[0][0] = 1
 | 
						|
	assert '$a' == '[[1, 0, 0], [0, 0, 0]]'
 | 
						|
	mut b := [[0].repeat(3)].repeat(2)
 | 
						|
	b[0][0] = 1
 | 
						|
	assert '$b' == '[[1, 0, 0], [0, 0, 0]]'
 | 
						|
}
 | 
						|
 | 
						|
fn test_plus_assign_string() {
 | 
						|
	mut a := ['']
 | 
						|
	a[0] += 'abc'
 | 
						|
	assert a == ['abc']
 | 
						|
}
 | 
						|
 | 
						|
fn mut_arr_with_eq_in_fn(mut a []int) {
 | 
						|
	if a == [1, 2, 3, 4] {
 | 
						|
		a[0] = 0
 | 
						|
	}
 | 
						|
	if [0, 2, 3, 4] == a {
 | 
						|
		a[1] = 0
 | 
						|
	}
 | 
						|
	if !(a != [0, 0, 3, 4]) {
 | 
						|
		a[2] = 0
 | 
						|
	}
 | 
						|
	if !([0, 0, 0, 4] != a) {
 | 
						|
		a[3] = 0
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
fn test_mut_arr_with_eq_in_fn() {
 | 
						|
	mut a := [1, 2, 3, 4]
 | 
						|
	mut_arr_with_eq_in_fn(mut a)
 | 
						|
	assert a == [0, 0, 0, 0]
 | 
						|
}
 | 
						|
 | 
						|
fn array_in_mut(mut a []int) {
 | 
						|
	if 1 in a {
 | 
						|
		a[0] = 2
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
fn test_array_in_mut() {
 | 
						|
	mut a := [1, 2]
 | 
						|
	array_in_mut(mut a)
 | 
						|
	assert a == [2, 2]
 | 
						|
}
 | 
						|
 | 
						|
// test array delete in function with mut argument
 | 
						|
fn delete_nums(mut arr []int) {
 | 
						|
	arr.delete(0)
 | 
						|
}
 | 
						|
 | 
						|
fn test_array_delete_in_mut() {
 | 
						|
	mut nums := [1, 2, 3]
 | 
						|
	delete_nums(mut nums)
 | 
						|
	assert nums == [2, 3]
 | 
						|
}
 | 
						|
 | 
						|
// test array add in function with mut argument
 | 
						|
fn add_nums(mut arr []int) {
 | 
						|
	arr << 4
 | 
						|
}
 | 
						|
 | 
						|
fn test_array_add_in_mut() {
 | 
						|
	mut nums := [1, 2, 3]
 | 
						|
	add_nums(mut nums)
 | 
						|
	assert nums == [1, 2, 3, 4]
 | 
						|
}
 | 
						|
 | 
						|
fn test_reverse_in_place() {
 | 
						|
	mut a := [1, 2, 3, 4]
 | 
						|
	a.reverse_in_place()
 | 
						|
	assert a == [4, 3, 2, 1]
 | 
						|
	mut b := ['a', 'b', 'c']
 | 
						|
	b.reverse_in_place()
 | 
						|
	assert b == ['c', 'b', 'a']
 | 
						|
	mut c := [[1, 2], [3, 4], [5, 6]]
 | 
						|
	c.reverse_in_place()
 | 
						|
	assert c == [[5, 6], [3, 4], [1, 2]]
 | 
						|
}
 | 
						|
 | 
						|
fn test_array_int_pop() {
 | 
						|
	mut a := [1, 2, 3, 4, 5]
 | 
						|
	assert a.len == 5
 | 
						|
	x := a.last()
 | 
						|
	y := a.pop()
 | 
						|
	assert x == y
 | 
						|
	assert a.len == 4
 | 
						|
	z := a.pop()
 | 
						|
	assert a.len == 3
 | 
						|
	assert z == 4
 | 
						|
	x1 := a.pop()
 | 
						|
	x2 := a.pop()
 | 
						|
	final := a.pop()
 | 
						|
	assert final == 1
 | 
						|
}
 | 
						|
 | 
						|
fn test_array_string_pop() {
 | 
						|
	mut a := ['abc', 'def', 'xyz']
 | 
						|
	assert a.len == 3
 | 
						|
	assert a.pop() == 'xyz'
 | 
						|
	assert a.pop() == 'def'
 | 
						|
	assert a.pop() == 'abc'
 | 
						|
	assert a.len == 0
 | 
						|
	assert a.cap == 3
 | 
						|
}
 | 
						|
 | 
						|
fn test_array_first() {
 | 
						|
	a := [3]
 | 
						|
	assert a.first() == 3
 | 
						|
	b := [1, 2, 3, 4]
 | 
						|
	assert b.first() == 1
 | 
						|
	c := ['abc', 'def']
 | 
						|
	assert c.first()[0] == `a`
 | 
						|
	s := [Chunk{'a'}]
 | 
						|
	assert s.first().val == 'a'
 | 
						|
}
 | 
						|
 | 
						|
fn test_array_last() {
 | 
						|
	a := [3]
 | 
						|
	assert a.last() == 3
 | 
						|
	b := [1, 2, 3, 4]
 | 
						|
	assert b.last() == 4
 | 
						|
	c := ['abc', 'def']
 | 
						|
	assert c.last()[0] == `d`
 | 
						|
	s := [Chunk{'a'}]
 | 
						|
	assert s.last().val == 'a'
 | 
						|
}
 | 
						|
 | 
						|
[direct_array_access]
 | 
						|
fn test_direct_array_access() {
 | 
						|
	mut a := [11, 22, 33, 44]
 | 
						|
	assert a[0] == 11
 | 
						|
	assert a[2] == 33
 | 
						|
	x := a[0]
 | 
						|
	a[0] = 21
 | 
						|
	a[1] += 2
 | 
						|
	a[2] = x + 3
 | 
						|
	a[3] -= a[1]
 | 
						|
	assert a == [21, 24, 14, 20]
 | 
						|
}
 | 
						|
 | 
						|
[direct_array_access]
 | 
						|
fn test_direct_array_access_via_ptr() {
 | 
						|
	mut b := [11, 22, 33, 44]
 | 
						|
	unsafe {
 | 
						|
		mut a := &b
 | 
						|
		assert a[0] == 11
 | 
						|
		assert a[2] == 33
 | 
						|
		x := a[0]
 | 
						|
		a[0] = 21
 | 
						|
		a[1] += 2
 | 
						|
		a[2] = x + 3
 | 
						|
		a[3] -= a[1]
 | 
						|
		assert a == [21, 24, 14, 20]
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
fn test_push_arr_string_free() {
 | 
						|
	mut lines := ['hi']
 | 
						|
	s := 'a' + 'b'
 | 
						|
	lines << s
 | 
						|
	// make sure the data in the array is valid after freeing the string
 | 
						|
	unsafe { s.free() }
 | 
						|
	//
 | 
						|
	println(lines)
 | 
						|
	assert lines.len == 2
 | 
						|
	assert lines[0] == 'hi'
 | 
						|
	assert lines[1] == 'ab'
 | 
						|
}
 | 
						|
 | 
						|
const (
 | 
						|
	grid_size_1 = 2
 | 
						|
	grid_size_2 = 3
 | 
						|
	grid_size_3 = 4
 | 
						|
	cell_value  = 123
 | 
						|
)
 | 
						|
 | 
						|
fn test_multidimensional_array_initialization_with_consts() {
 | 
						|
	mut data := [][][]int{len: grid_size_1, init: [][]int{len: grid_size_2, init: []int{len: grid_size_3, init: cell_value}}}
 | 
						|
	assert data.len == grid_size_1
 | 
						|
	assert data[0].len == grid_size_2
 | 
						|
	assert data[0][0].len == grid_size_3
 | 
						|
	assert data[0][0][0] == cell_value
 | 
						|
	assert data[1][1][1] == cell_value
 | 
						|
}
 | 
						|
 | 
						|
fn test_byteptr_vbytes() {
 | 
						|
	unsafe {
 | 
						|
		bp := malloc(5)
 | 
						|
		bp[0] = 1
 | 
						|
		bp[1] = 2
 | 
						|
		bp[2] = 3
 | 
						|
		bp[3] = 4
 | 
						|
		bp[4] = 255
 | 
						|
		bytes := bp.vbytes(5)
 | 
						|
		println(bytes)
 | 
						|
		assert bytes.len == 5
 | 
						|
		assert bytes[0] == 1
 | 
						|
		assert bytes[1] == 2
 | 
						|
		assert bytes[2] == 3
 | 
						|
		assert bytes[3] == 4
 | 
						|
		assert bytes[4] == 255
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
fn test_voidptr_vbytes() {
 | 
						|
	unsafe {
 | 
						|
		bp := malloc(3)
 | 
						|
		bp[0] = 4
 | 
						|
		bp[1] = 5
 | 
						|
		bp[2] = 6
 | 
						|
		bytes := voidptr(bp).vbytes(3)
 | 
						|
		assert bytes.len == 3
 | 
						|
		assert bytes[0] == 4
 | 
						|
		assert bytes[1] == 5
 | 
						|
		assert bytes[2] == 6
 | 
						|
		println(bytes)
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
fn test_multi_array_prepend() {
 | 
						|
	mut a := [][]int{}
 | 
						|
	a.prepend([1, 2, 3])
 | 
						|
	assert a == [[1, 2, 3]]
 | 
						|
	mut b := [][]int{}
 | 
						|
	b.prepend([[1, 2, 3]])
 | 
						|
	assert b == [[1, 2, 3]]
 | 
						|
}
 | 
						|
 | 
						|
fn test_multi_array_insert() {
 | 
						|
	mut a := [][]int{}
 | 
						|
	a.insert(0, [1, 2, 3])
 | 
						|
	assert a == [[1, 2, 3]]
 | 
						|
	mut b := [][]int{}
 | 
						|
	b.insert(0, [[1, 2, 3]])
 | 
						|
	assert b == [[1, 2, 3]]
 | 
						|
}
 | 
						|
 | 
						|
fn test_multi_array_in() {
 | 
						|
	a := [[1]]
 | 
						|
	println([1] in a)
 | 
						|
	assert [1] in a
 | 
						|
}
 | 
						|
 | 
						|
fn test_any_type_array_contains() {
 | 
						|
	a := [true, false]
 | 
						|
	assert a.contains(true)
 | 
						|
	assert true in a
 | 
						|
	assert a.contains(false)
 | 
						|
	assert false in a
 | 
						|
	b := [i64(2), 3, 4]
 | 
						|
	assert b.contains(i64(3))
 | 
						|
	assert 5 !in b
 | 
						|
	c := [[1], [2]]
 | 
						|
	assert c.contains([1])
 | 
						|
	assert [2] in c
 | 
						|
	assert [3] !in c
 | 
						|
}
 | 
						|
 | 
						|
struct Person {
 | 
						|
	name string
 | 
						|
	nums []int
 | 
						|
	kv   map[string]string
 | 
						|
}
 | 
						|
 | 
						|
fn test_struct_array_of_multi_type_in() {
 | 
						|
	ivan := Person{
 | 
						|
		name: 'ivan'
 | 
						|
		nums: [1, 2, 3]
 | 
						|
		kv: {
 | 
						|
			'aaa': '111'
 | 
						|
		}
 | 
						|
	}
 | 
						|
	people := [
 | 
						|
		Person{
 | 
						|
			name: 'ivan'
 | 
						|
			nums: [1, 2, 3]
 | 
						|
			kv: {
 | 
						|
				'aaa': '111'
 | 
						|
			}
 | 
						|
		},
 | 
						|
		Person{
 | 
						|
			name: 'bob'
 | 
						|
			nums: [2]
 | 
						|
			kv: {
 | 
						|
				'bbb': '222'
 | 
						|
			}
 | 
						|
		},
 | 
						|
	]
 | 
						|
	println(ivan in people)
 | 
						|
	assert ivan in people
 | 
						|
}
 | 
						|
 | 
						|
fn test_struct_array_of_multi_type_index() {
 | 
						|
	ivan := Person{
 | 
						|
		name: 'ivan'
 | 
						|
		nums: [1, 2, 3]
 | 
						|
		kv: {
 | 
						|
			'aaa': '111'
 | 
						|
		}
 | 
						|
	}
 | 
						|
	people := [
 | 
						|
		Person{
 | 
						|
			name: 'ivan'
 | 
						|
			nums: [1, 2, 3]
 | 
						|
			kv: {
 | 
						|
				'aaa': '111'
 | 
						|
			}
 | 
						|
		},
 | 
						|
		Person{
 | 
						|
			name: 'bob'
 | 
						|
			nums: [2]
 | 
						|
			kv: {
 | 
						|
				'bbb': '222'
 | 
						|
			}
 | 
						|
		},
 | 
						|
	]
 | 
						|
	println(people.index(ivan))
 | 
						|
	assert people.index(ivan) == 0
 | 
						|
}
 | 
						|
 | 
						|
struct Coord {
 | 
						|
	x int
 | 
						|
	y int
 | 
						|
	z int
 | 
						|
}
 | 
						|
 | 
						|
fn test_array_struct_contains() {
 | 
						|
	mut coords := []Coord{}
 | 
						|
	coord_1 := Coord{
 | 
						|
		x: 1
 | 
						|
		y: 2
 | 
						|
		z: -1
 | 
						|
	}
 | 
						|
	coords << coord_1
 | 
						|
	exists := coord_1 in coords
 | 
						|
	not_exists := coord_1 !in coords
 | 
						|
	println('`exists`: $exists and `not exists`: $not_exists')
 | 
						|
	assert exists == true
 | 
						|
	assert not_exists == false
 | 
						|
}
 | 
						|
 | 
						|
fn test_array_struct_ref_contains() {
 | 
						|
	mut coords := []&Coord{}
 | 
						|
	coord_1 := &Coord{
 | 
						|
		x: 1
 | 
						|
		y: 2
 | 
						|
		z: -1
 | 
						|
	}
 | 
						|
	coords << coord_1
 | 
						|
	exists := coord_1 in coords
 | 
						|
	println(exists)
 | 
						|
	assert exists == true
 | 
						|
}
 | 
						|
 | 
						|
fn test_array_struct_ref_index() {
 | 
						|
	mut coords := []&Coord{}
 | 
						|
	coord_1 := &Coord{
 | 
						|
		x: 1
 | 
						|
		y: 2
 | 
						|
		z: -1
 | 
						|
	}
 | 
						|
	coords << coord_1
 | 
						|
	println(coords.index(coord_1))
 | 
						|
	assert coords.index(coord_1) == 0
 | 
						|
}
 | 
						|
 | 
						|
fn test_array_of_array_append() {
 | 
						|
	mut x := [][]int{len: 4}
 | 
						|
	println(x) // OK
 | 
						|
	x[2] << 123 // RTE
 | 
						|
	println(x)
 | 
						|
	assert '$x' == '[[], [], [123], []]'
 | 
						|
}
 | 
						|
 | 
						|
fn test_array_of_map_insert() {
 | 
						|
	mut x := []map[string]int{len: 4}
 | 
						|
	println(x) // OK
 | 
						|
	x[2]['123'] = 123 // RTE
 | 
						|
	println(x)
 | 
						|
	assert '$x' == "[{}, {}, {'123': 123}, {}]"
 | 
						|
}
 | 
						|
 | 
						|
fn test_multi_fixed_array_init() {
 | 
						|
	a := [3][3]int{}
 | 
						|
	assert '$a' == '[[0, 0, 0], [0, 0, 0], [0, 0, 0]]'
 | 
						|
}
 | 
						|
 | 
						|
struct Numbers {
 | 
						|
	odds  []int
 | 
						|
	evens []int
 | 
						|
}
 | 
						|
 | 
						|
fn test_array_of_multi_filter() {
 | 
						|
	arr := [1, 2, 3, 4, 5]
 | 
						|
	nums := Numbers{
 | 
						|
		odds: arr.filter(it % 2 == 1)
 | 
						|
		evens: arr.filter(it % 2 == 0)
 | 
						|
	}
 | 
						|
	println(nums)
 | 
						|
	assert nums.odds == [1, 3, 5]
 | 
						|
	assert nums.evens == [2, 4]
 | 
						|
}
 | 
						|
 | 
						|
fn test_array_of_multi_map() {
 | 
						|
	arr := [1, 3, 5]
 | 
						|
	nums := Numbers{
 | 
						|
		odds: arr.map(it + 2)
 | 
						|
		evens: arr.map(it * 2)
 | 
						|
	}
 | 
						|
	println(nums)
 | 
						|
	assert nums.odds == [3, 5, 7]
 | 
						|
	assert nums.evens == [2, 6, 10]
 | 
						|
}
 | 
						|
 | 
						|
fn test_multi_fixed_array_with_default_init() {
 | 
						|
	a := [3][3]int{init: [3]int{init: 10}}
 | 
						|
	println(a)
 | 
						|
	assert a == [[10, 10, 10]!, [10, 10, 10]!, [10, 10, 10]!]!
 | 
						|
}
 | 
						|
 | 
						|
struct Abc {
 | 
						|
mut:
 | 
						|
	x i64
 | 
						|
	y i64
 | 
						|
	z i64
 | 
						|
}
 | 
						|
 | 
						|
fn test_clone_of_same_elem_size_array() {
 | 
						|
	mut arr := []Abc{}
 | 
						|
	arr << Abc{1, 2, 3}
 | 
						|
	arr << Abc{2, 3, 4}
 | 
						|
	arr2 := arr.clone()
 | 
						|
	println(arr2)
 | 
						|
	assert arr2 == [Abc{1, 2, 3}, Abc{2, 3, 4}]
 | 
						|
}
 | 
						|
 | 
						|
pub fn example<T>(mut arr []T) []T {
 | 
						|
	return arr.clone()
 | 
						|
}
 | 
						|
 | 
						|
fn test_generic_mutable_arrays() {
 | 
						|
	mut arr := [1, 2, 3]
 | 
						|
	assert example(mut arr) == [1, 2, 3]
 | 
						|
}
 | 
						|
 | 
						|
struct Ok {}
 | 
						|
 | 
						|
fn test_inline_array_element_access() {
 | 
						|
	println([Ok{}][0])
 | 
						|
	a1 := [Ok{}][0]
 | 
						|
	assert a1 == Ok{}
 | 
						|
 | 
						|
	println([1][0])
 | 
						|
	a2 := [1][0]
 | 
						|
	assert a2 == 1
 | 
						|
}
 |