mirror of https://github.com/coder/coder.git
78 lines
1.5 KiB
Go
78 lines
1.5 KiB
Go
package syncmap
|
|
|
|
import "sync"
|
|
|
|
// Map is a type safe sync.Map
|
|
type Map[K, V any] struct {
|
|
m sync.Map
|
|
}
|
|
|
|
func New[K, V any]() *Map[K, V] {
|
|
return &Map[K, V]{
|
|
m: sync.Map{},
|
|
}
|
|
}
|
|
|
|
func (m *Map[K, V]) Store(k K, v V) {
|
|
m.m.Store(k, v)
|
|
}
|
|
|
|
//nolint:forcetypeassert
|
|
func (m *Map[K, V]) Load(key K) (value V, ok bool) {
|
|
v, ok := m.m.Load(key)
|
|
if !ok {
|
|
var empty V
|
|
return empty, false
|
|
}
|
|
return v.(V), ok
|
|
}
|
|
|
|
func (m *Map[K, V]) Delete(key K) {
|
|
m.m.Delete(key)
|
|
}
|
|
|
|
//nolint:forcetypeassert
|
|
func (m *Map[K, V]) LoadAndDelete(key K) (actual V, loaded bool) {
|
|
act, loaded := m.m.LoadAndDelete(key)
|
|
if !loaded {
|
|
var empty V
|
|
return empty, loaded
|
|
}
|
|
return act.(V), loaded
|
|
}
|
|
|
|
//nolint:forcetypeassert
|
|
func (m *Map[K, V]) LoadOrStore(key K, value V) (actual V, loaded bool) {
|
|
act, loaded := m.m.LoadOrStore(key, value)
|
|
if !loaded {
|
|
var empty V
|
|
return empty, loaded
|
|
}
|
|
return act.(V), loaded
|
|
}
|
|
|
|
func (m *Map[K, V]) CompareAndSwap(key K, old V, new V) bool {
|
|
return m.m.CompareAndSwap(key, old, new)
|
|
}
|
|
|
|
func (m *Map[K, V]) CompareAndDelete(key K, old V) (deleted bool) {
|
|
return m.m.CompareAndDelete(key, old)
|
|
}
|
|
|
|
//nolint:forcetypeassert
|
|
func (m *Map[K, V]) Swap(key K, value V) (previous any, loaded bool) {
|
|
previous, loaded = m.m.Swap(key, value)
|
|
if !loaded {
|
|
var empty V
|
|
return empty, loaded
|
|
}
|
|
return previous.(V), loaded
|
|
}
|
|
|
|
//nolint:forcetypeassert
|
|
func (m *Map[K, V]) Range(f func(key K, value V) bool) {
|
|
m.m.Range(func(key, value interface{}) bool {
|
|
return f(key.(K), value.(V))
|
|
})
|
|
}
|