diff options
author | Luke Shumaker <lukeshu@lukeshu.com> | 2022-07-10 13:18:30 -0600 |
---|---|---|
committer | Luke Shumaker <lukeshu@lukeshu.com> | 2022-07-10 13:35:20 -0600 |
commit | 17d1dca1e762f23171ae73af27dd9de7df43a48b (patch) | |
tree | 76d21b0e1799214664b420ef9635d2187d53b4cf /pkg/util/generic.go | |
parent | 0f2e5aad098794317601178e1fa6db86cb8aad5c (diff) |
Rename the module, mv pkg lib
Diffstat (limited to 'pkg/util/generic.go')
-rw-r--r-- | pkg/util/generic.go | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/pkg/util/generic.go b/pkg/util/generic.go deleted file mode 100644 index 6882724..0000000 --- a/pkg/util/generic.go +++ /dev/null @@ -1,122 +0,0 @@ -package util - -import ( - "sort" - "sync" - - "golang.org/x/exp/constraints" -) - -func InSlice[T comparable](needle T, haystack []T) bool { - for _, straw := range haystack { - if needle == straw { - return true - } - } - return false -} - -func RemoveAllFromSlice[T comparable](haystack []T, needle T) []T { - for i, straw := range haystack { - if needle == straw { - return append( - haystack[:i], - RemoveAllFromSlice(haystack[i+1:], needle)...) - } - } - return haystack -} - -func RemoveAllFromSliceFunc[T any](haystack []T, f func(T) bool) []T { - for i, straw := range haystack { - if f(straw) { - return append( - haystack[:i], - RemoveAllFromSliceFunc(haystack[i+1:], f)...) - } - } - return haystack -} - -func ReverseSlice[T any](slice []T) { - for i := 0; i < len(slice)/2; i++ { - j := (len(slice) - 1) - i - slice[i], slice[j] = slice[j], slice[i] - } -} - -func Max[T constraints.Ordered](a, b T) T { - if a > b { - return a - } - return b -} - -func Min[T constraints.Ordered](a, b T) T { - if a < b { - return a - } - return b -} - -func MapKeys[K comparable, V any](m map[K]V) []K { - ret := make([]K, 0, len(m)) - for k := range m { - ret = append(ret, k) - } - return ret -} - -func SortSlice[T constraints.Ordered](slice []T) { - sort.Slice(slice, func(i, j int) bool { - return slice[i] < slice[j] - }) -} - -func SortedMapKeys[K constraints.Ordered, V any](m map[K]V) []K { - ret := MapKeys(m) - SortSlice(ret) - return ret -} - -func CmpUint[T constraints.Unsigned](a, b T) int { - switch { - case a < b: - return -1 - case a == b: - return 0 - default: - return 1 - } -} - -type SyncMap[K comparable, V any] struct { - inner sync.Map -} - -func (m *SyncMap[K, V]) Delete(key K) { m.inner.Delete(key) } -func (m *SyncMap[K, V]) Load(key K) (value V, ok bool) { - _value, ok := m.inner.Load(key) - if ok { - value = _value.(V) - } - return value, ok -} -func (m *SyncMap[K, V]) LoadAndDelete(key K) (value V, loaded bool) { - _value, ok := m.inner.LoadAndDelete(key) - if ok { - value = _value.(V) - } - return value, ok -} -func (m *SyncMap[K, V]) LoadOrStore(key K, value V) (actual V, loaded bool) { - _actual, loaded := m.inner.LoadOrStore(key, value) - actual = _actual.(V) - return actual, loaded -} -func (m *SyncMap[K, V]) Range(f func(key K, value V) bool) { - m.inner.Range(func(key, value any) bool { - return f(key.(K), value.(V)) - }) -} -func (m *SyncMap[K, V]) Store(key K, value V) { m.inner.Store(key, value) } |