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doc: add play ground demo for v2.3.4

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dudaodong
2024-12-04 14:25:51 +08:00
parent 4ffff0e3f3
commit ecafed511c
33 changed files with 167 additions and 173 deletions
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3
stream/stream.go
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@@ -130,7 +130,6 @@ func (s Stream[T]) Distinct() Stream[T] {
distinct := map[string]bool{}
for _, v := range s.source {
// todo: performance issue
k := hashKey(v)
if _, ok := distinct[k]; !ok {
distinct[k] = true
@@ -395,6 +394,7 @@ func (s Stream[T]) Min(less func(a, b T) bool) (T, bool) {
}
// IndexOf returns the index of the first occurrence of the specified element in this stream, or -1 if this stream does not contain the element.
// Play: https://go.dev/play/p/tBV5Nc-XDX2
func (s Stream[T]) IndexOf(target T, equal func(a, b T) bool) int {
for i, v := range s.source {
if equal(v, target) {
@@ -405,6 +405,7 @@ func (s Stream[T]) IndexOf(target T, equal func(a, b T) bool) int {
}
// LastIndexOf returns the index of the last occurrence of the specified element in this stream, or -1 if this stream does not contain the element.
// Play: https://go.dev/play/p/CjeoNw2eac_G
func (s Stream[T]) LastIndexOf(target T, equal func(a, b T) bool) int {
for i := len(s.source) - 1; i >= 0; i-- {
if equal(s.source[i], target) {