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author | Daniel Baumann <daniel@debian.org> | 2024-10-18 20:33:49 +0200 |
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committer | Daniel Baumann <daniel@debian.org> | 2024-10-18 20:33:49 +0200 |
commit | dd136858f1ea40ad3c94191d647487fa4f31926c (patch) | |
tree | 58fec94a7b2a12510c9664b21793f1ed560c6518 /modules/container/filter.go | |
parent | Initial commit. (diff) | |
download | forgejo-dd136858f1ea40ad3c94191d647487fa4f31926c.tar.xz forgejo-dd136858f1ea40ad3c94191d647487fa4f31926c.zip |
Adding upstream version 9.0.0.HEADupstream/9.0.0upstreamdebian
Signed-off-by: Daniel Baumann <daniel@debian.org>
Diffstat (limited to '')
-rw-r--r-- | modules/container/filter.go | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/modules/container/filter.go b/modules/container/filter.go new file mode 100644 index 0000000..37ec7c3 --- /dev/null +++ b/modules/container/filter.go @@ -0,0 +1,21 @@ +// 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) +} |