67 lines
1.0 KiB
Go
67 lines
1.0 KiB
Go
package aid
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import (
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"sync"
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)
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type GenericSyncMap[T any] struct {
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m sync.Map
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}
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func (s *GenericSyncMap[T]) Set(key string, value *T) {
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s.m.Store(key, value)
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}
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func (s *GenericSyncMap[T]) Get(key string) (*T, bool) {
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v, ok := s.m.Load(key)
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if !ok {
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return nil, false
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}
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return v.(*T), true
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}
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func (s *GenericSyncMap[T]) MustGet(key string) *T {
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v, ok := s.m.Load(key)
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if !ok {
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return nil
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}
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return v.(*T)
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}
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func (s *GenericSyncMap[T]) Delete(key string) {
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s.m.Delete(key)
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}
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func (s *GenericSyncMap[T]) Range(f func(key string, value *T) bool) {
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s.m.Range(func(key, value interface{}) bool {
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return f(key.(string), value.(*T))
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})
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}
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func (s *GenericSyncMap[T]) Has(key string) bool {
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_, ok := s.Get(key)
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return ok
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}
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// change the key of a value in the map
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func (s *GenericSyncMap[T]) ChangeKey(oldKey, newKey string) {
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v, ok := s.Get(oldKey)
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if !ok {
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return
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}
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s.Set(newKey, v)
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s.Delete(oldKey)
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}
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func (s *GenericSyncMap[T]) Len() int {
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count := 0
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s.m.Range(func(_, _ interface{}) bool {
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count++
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return true
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})
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return count
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} |