release: v1.0.0-rc

internal/cache/xmap.go

@@ -0,0 +1,36 @@
+package cache
+
+import (
+	"context"
+
+	"github.com/puzpuzpuz/xsync/v3"
+)
+
+type mapCache struct {
+	xmap *xsync.Map
+}
+
+func NewMapCache() Cache {
+	return &mapCache{
+		xmap: xsync.NewMap(),
+	}
+}
+
+func (c *mapCache) Add(_ context.Context, key string) error {
+	c.xmap.Store(key, true)
+	return nil
+}
+
+func (c *mapCache) Remove(_ context.Context, key string) error {
+	c.xmap.Delete(key)
+	return nil
+}
+
+func (c *mapCache) Exists(_ context.Context, key string) (bool, error) {
+	_, ok := c.xmap.Load(key)
+	return ok, nil
+}
+
+func (c *mapCache) Size(_ context.Context) (int64, error) {
+	return int64(c.xmap.Size()), nil
+}