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67 lines
992 B
Go
67 lines
992 B
Go
package functional
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import (
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"sync"
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"github.com/puzpuzpuz/xsync/v4"
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)
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type Set[T comparable] struct {
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m *xsync.Map[T, struct{}]
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}
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func NewSet[T comparable]() Set[T] {
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return Set[T]{m: xsync.NewMap[T, struct{}]()}
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}
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func (set Set[T]) Add(v T) {
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set.m.Store(v, struct{}{})
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}
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func (set Set[T]) Remove(v T) {
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set.m.Delete(v)
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}
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func (set Set[T]) Clear() {
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set.m.Clear()
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}
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func (set Set[T]) Contains(v T) bool {
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_, ok := set.m.Load(v)
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return ok
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}
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func (set Set[T]) Range(f func(T) bool) {
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set.m.Range(func(k T, _ struct{}) bool {
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return f(k)
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})
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}
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func (set Set[T]) RangeAll(f func(T)) {
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set.m.Range(func(k T, _ struct{}) bool {
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f(k)
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return true
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})
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}
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func (set Set[T]) RangeAllParallel(f func(T)) {
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var wg sync.WaitGroup
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set.Range(func(k T) bool {
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wg.Add(1)
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go func() {
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f(k)
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wg.Done()
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}()
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return true
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})
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wg.Wait()
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}
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func (set Set[T]) Size() int {
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return set.m.Size()
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}
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func (set Set[T]) IsEmpty() bool {
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return set.m == nil || set.m.Size() == 0
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}
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