70 lines
1.1 KiB
V
70 lines
1.1 KiB
V
fn foo1(mut arr []int) {
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for _, mut j in arr {
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j *= 2
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}
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}
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fn test_for_in_mut_val_of_array() {
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mut arr := [1, 2, 3]
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foo1(mut arr)
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println(arr)
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assert arr == [2, 4, 6]
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}
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fn foo2(mut arr [3]int) {
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for _, mut j in arr {
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j *= 2
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}
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}
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fn test_for_in_mut_val_of_fixed_array() {
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mut arr := [1,2,3]!
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foo2(mut arr)
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println(arr)
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assert arr == [2, 4, 6]!
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}
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fn foo3(mut m map[string][3]int){
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for i in 0..m['hello'].len {
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m['hello'][i] *= 2
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}
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}
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fn test_fn_mut_val_of_map() {
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mut m := {'hello': [1,2,3]!}
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foo3(mut m)
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println(m)
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assert '$m' == "{'hello': [2, 4, 6]}"
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}
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fn foo4(mut m map[string][3]int){
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for _, mut j in m['hello'] {
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j *= 2
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}
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}
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fn test_for_in_mut_val_of_map() {
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mut m := {'hello':[1,2,3]!}
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foo4(mut m)
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println(m)
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assert '$m' == "{'hello': [2, 4, 6]}"
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}
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fn test_for_in_mut_val_of_map_direct() {
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mut m := {'foo': 1, 'bar': 2}
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for _, mut j in m {
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j = 3
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}
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println(m)
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assert '$m' == "{'foo': 3, 'bar': 3}"
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}
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fn test_for_in_mut_val_of_map_fixed_array() {
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mut m := {'foo': [{'a': 1}]!, 'bar': [{'b': 2}]!}
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for _, mut j in m {
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j = [{'c': 3}]!
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}
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println(m)
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assert '$m' == "{'foo': [{'c': 3}], 'bar': [{'c': 3}]}"
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}
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