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Merge pull request #2006 from thePHTest/sort_with_indices

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fix sort_by_with_indices for zero and one length slices
This commit is contained in:
Jeroen van Rijn
2022-09-01 22:21:44 +02:00
committed by GitHub
parent c2423dc07f 3f3ae4b2b6
commit b7ac0a9e8d
1 changed files with 2 additions and 2 deletions
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core/slice/sort.odin
+2 -2
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@@ -97,9 +97,9 @@ sort_by :: proc(data: $T/[]$E, less: proc(i, j: E) -> bool) {
// sort_by sorts a slice with a given procedure to test whether two values are ordered "i < j" // sort_by sorts a slice with a given procedure to test whether two values are ordered "i < j"
// This sort is not guaranteed to be stable // This sort is not guaranteed to be stable
sort_by_with_indices :: proc(data: $T/[]$E, less: proc(i, j: E) -> bool, allocator := context.allocator) -> (indices : []int) { sort_by_with_indices :: proc(data: $T/[]$E, less: proc(i, j: E) -> bool, allocator := context.allocator) -> (indices : []int) {
indices = make([]int, len(data), allocator)
when size_of(E) != 0 { when size_of(E) != 0 {
if n := len(data); n > 1 { if n := len(data); n > 1 {
indices = make([]int, len(data), allocator)
for _, idx in indices { for _, idx in indices {
indices[idx] = idx indices[idx] = idx
} }
@@ -107,7 +107,7 @@ sort_by_with_indices :: proc(data: $T/[]$E, less: proc(i, j: E) -> bool, allocat
return indices return indices
} }
} }
return nil return indices
} }
sort_by_cmp :: proc(data: $T/[]$E, cmp: proc(i, j: E) -> Ordering) { sort_by_cmp :: proc(data: $T/[]$E, cmp: proc(i, j: E) -> Ordering) {