Merge pull request #2006 from thePHTest/sort_with_indices

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

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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"
// 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) {
indices = make([]int, len(data), allocator)
when size_of(E) != 0 {
if n := len(data); n > 1 {
indices = make([]int, len(data), allocator)
for _, idx in indices {
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 nil
return indices
}
sort_by_cmp :: proc(data: $T/[]$E, cmp: proc(i, j: E) -> Ordering) {