59 lines
1.2 KiB
Go
59 lines
1.2 KiB
Go
// Copyright (c) 2026 Winlin
|
|
//
|
|
// SPDX-License-Identifier: MIT
|
|
package sync
|
|
|
|
import "sync"
|
|
|
|
type Map[K comparable, V any] interface {
|
|
Delete(key K)
|
|
Load(key K) (value V, ok bool)
|
|
LoadAndDelete(key K) (value V, loaded bool)
|
|
LoadOrStore(key K, value V) (actual V, loaded bool)
|
|
Range(f func(key K, value V) bool)
|
|
Store(key K, value V)
|
|
}
|
|
|
|
func NewMap[K comparable, V any]() Map[K, V] {
|
|
return &mapImpl[K, V]{}
|
|
}
|
|
|
|
type mapImpl[K comparable, V any] struct {
|
|
m sync.Map
|
|
}
|
|
|
|
func (m *mapImpl[K, V]) Delete(key K) {
|
|
m.m.Delete(key)
|
|
}
|
|
|
|
func (m *mapImpl[K, V]) Load(key K) (value V, ok bool) {
|
|
v, ok := m.m.Load(key)
|
|
if !ok {
|
|
return value, ok
|
|
}
|
|
return v.(V), ok
|
|
}
|
|
|
|
func (m *mapImpl[K, V]) LoadAndDelete(key K) (value V, loaded bool) {
|
|
v, loaded := m.m.LoadAndDelete(key)
|
|
if !loaded {
|
|
return value, loaded
|
|
}
|
|
return v.(V), loaded
|
|
}
|
|
|
|
func (m *mapImpl[K, V]) LoadOrStore(key K, value V) (actual V, loaded bool) {
|
|
a, loaded := m.m.LoadOrStore(key, value)
|
|
return a.(V), loaded
|
|
}
|
|
|
|
func (m *mapImpl[K, V]) Range(f func(key K, value V) bool) {
|
|
m.m.Range(func(key, value any) bool {
|
|
return f(key.(K), value.(V))
|
|
})
|
|
}
|
|
|
|
func (m *mapImpl[K, V]) Store(key K, value V) {
|
|
m.m.Store(key, value)
|
|
}
|