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array: fix reverse()

pull/4061/head
Alexander Medvednikov 2020-03-18 18:54:08 +01:00
parent f41cf7465b
commit ca0bae0fcd
2 changed files with 2 additions and 1 deletions
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2
vlib/builtin/array.v
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@ -338,7 +338,7 @@ pub fn (a array) reverse() array {
data: vcalloc(a.cap * a.element_size) data: vcalloc(a.cap * a.element_size)
} }
for i in 0..a.len { for i in 0..a.len {
C.memcpy(arr.data + i * arr.element_size, &a.data[a.len - 1 - i], arr.element_size) C.memcpy(arr.data + i * arr.element_size, &a[a.len - 1 - i], arr.element_size)
} }
return arr return arr
} }

1
vlib/builtin/array_test.v
View File

@ -259,6 +259,7 @@ fn test_reverse() {
a := [1, 2, 3, 4] a := [1, 2, 3, 4]
b := ['test', 'array', 'reverse'] b := ['test', 'array', 'reverse']
c := a.reverse() c := a.reverse()
println(c)
d := b.reverse() d := b.reverse()
for i, _ in c { for i, _ in c {
assert c[i] == a[a.len - i - 1] assert c[i] == a[a.len - i - 1]