added FindFirstIndex and FindLastIndex
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parent
26ea846e93
commit
5735640ab6
18
filter.go
18
filter.go
@ -19,12 +19,20 @@ func FindFirst[T any](slice []T, f func(T) bool) (T, bool) {
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return *new(T), false
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}
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func FindLast[T any](slice []T, f func(T) bool) (T, bool) {
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for i := len(slice); i >= 0; i-- {
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v := slice[i]
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func FindFirstIndex[T any](slice []T, f func(T) bool) (int, bool) {
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for i, v := range slice {
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if f(v) {
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return v, true
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return i, true
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}
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}
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return *new(T), false
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return -1, false
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}
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func FindLastIndex[T any](slice []T, f func(T) bool) (int, bool) {
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for i := len(slice); i >= 0; i-- {
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if f(slice[i]) {
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return i, true
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}
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}
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return -1, false
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}
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