tordarus/slices
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bumped up golang version to 1.23

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Tordarus
2025-06-22 19:35:57 +02:00
parent efc99a9658
commit cc2ead6c4e
11 changed files with 68 additions and 30 deletions
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37
filter.go
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@ -1,6 +1,6 @@
package slices
func Filter[T any](slice []T, f func(T) bool) []T {
func Filter[T any](slice []T, f FilterFunc[T]) []T {
ret := make([]T, 0, len(slice))
for _, v := range slice {
if f(v) {
@ -10,7 +10,7 @@ func Filter[T any](slice []T, f func(T) bool) []T {
return ret
}
func FindFirst[T any](slice []T, f func(T) bool) (T, bool) {
func FindFirst[T any](slice []T, f FilterFunc[T]) (T, bool) {
for _, v := range slice {
if f(v) {
return v, true
@ -19,7 +19,7 @@ func FindFirst[T any](slice []T, f func(T) bool) (T, bool) {
return *new(T), false
}
func FindFirstIndex[T any](slice []T, f func(T) bool) (int, bool) {
func FindFirstIndex[T any](slice []T, f FilterFunc[T]) (int, bool) {
for i, v := range slice {
if f(v) {
return i, true
@ -28,7 +28,7 @@ func FindFirstIndex[T any](slice []T, f func(T) bool) (int, bool) {
return -1, false
}
func FindLastIndex[T any](slice []T, f func(T) bool) (int, bool) {
func FindLastIndex[T any](slice []T, f FilterFunc[T]) (int, bool) {
for i := len(slice); i >= 0; i-- {
if f(slice[i]) {
return i, true
@ -36,3 +36,32 @@ func FindLastIndex[T any](slice []T, f func(T) bool) (int, bool) {
}
return -1, false
}
func Not[T any](filter func(v T) bool) FilterFunc[T] {
return func(v T) bool {
return !filter(v)
}
}
func And[T any](filters ...func(v T) bool) FilterFunc[T] {
return func(v T) bool {
for _, filter := range filters {
if !filter(v) {
return false
}
}
return true
}
}
func Or[T any](filters ...func(v T) bool) FilterFunc[T] {
return func(v T) bool {
for _, filter := range filters {
if filter(v) {
return true
}
}
return false
}
}