mirror of
https://codeberg.org/forgejo/forgejo.git
synced 2024-09-12 06:40:50 +02:00
22 lines
679 B
Go
22 lines
679 B
Go
|
// Copyright 2024 The Gitea Authors. All rights reserved.
|
||
|
// SPDX-License-Identifier: MIT
|
||
|
|
||
|
package container
|
||
|
|
||
|
import "slices"
|
||
|
|
||
|
// FilterSlice ranges over the slice and calls include() for each element.
|
||
|
// If the second returned value is true, the first returned value will be included in the resulting
|
||
|
// slice (after deduplication).
|
||
|
func FilterSlice[E any, T comparable](s []E, include func(E) (T, bool)) []T {
|
||
|
filtered := make([]T, 0, len(s)) // slice will be clipped before returning
|
||
|
seen := make(map[T]bool, len(s))
|
||
|
for i := range s {
|
||
|
if v, ok := include(s[i]); ok && !seen[v] {
|
||
|
filtered = append(filtered, v)
|
||
|
seen[v] = true
|
||
|
}
|
||
|
}
|
||
|
return slices.Clip(filtered)
|
||
|
}
|