添加对泛型MAP的支持

pkg/maps/generic.go

@@ -0,0 +1,57 @@
+package maps
+
+import "sync"
+
+type GenericMap[K comparable, V any] struct {
+	m sync.Map
+}
+
+func (gm *GenericMap[K, V]) Store(key K, value V) {
+	gm.m.Store(key, value)
+}
+
+func (gm *GenericMap[K, V]) Load(key K) (V, bool) {
+	value, ok := gm.m.Load(key)
+	if !ok {
+		var zero V
+		return zero, false
+	}
+	return value.(V), true
+}
+
+func (gm *GenericMap[K, V]) Delete(key K) {
+	gm.m.Delete(key)
+}
+
+func (gm *GenericMap[K, V]) Range(f func(key K, value V) bool) {
+	gm.m.Range(func(key, value any) bool {
+		return f(key.(K), value.(V))
+	})
+}
+
+func (gm *GenericMap[K, V]) Swap(key K, value V) (previous V, loaded bool) {
+	actual, swapped := gm.m.Swap(key, value)
+	return actual.(V), swapped
+}
+
+func (gm *GenericMap[K, V]) LoadOrStore(key K, value V) (V, bool) {
+	actual, loaded := gm.m.LoadOrStore(key, value)
+	return actual.(V), loaded
+}
+
+func (gm *GenericMap[K, V]) LoadAndDelete(key K) (value V, loaded bool) {
+	actual, loaded := gm.m.LoadAndDelete(key)
+	return actual.(V), loaded
+}
+
+func (gm *GenericMap[K, V]) CompareAndSwap(key K, old V, new V) (swapped bool) {
+	return gm.m.CompareAndSwap(key, old, new)
+}
+
+func (gm *GenericMap[K, V]) CompareAndDelete(key K, old V) (deleted bool) {
+	return gm.m.CompareAndDelete(key, old)
+}
+
+func New[K comparable, V any]() *GenericMap[K, V] {
+	return &GenericMap[K, V]{m: sync.Map{}}
+}