adapted error

Author: oGabrielArruda

cache.go

@@ -349,7 +349,7 @@ func (c *cache) IncrementInt64(k string, n int64) (int64, error) {
 	v, found := c.items[k]
 	if !found || v.Expired() {
 		c.mu.Unlock()
-		return 0, fmt.Errorf("Item %s not found", k)
+		return 0, ErrNotFound
 	}
 	rv, ok := v.Object.(int64)
 	if !ok {

errors.go

@@ -0,0 +1,5 @@
+package cache
+
+import "errors"
+
+var ErrNotFound error = errors.New("item not found")

go.mod

@@ -0,0 +1,3 @@
+module go-cache/v2
+
+go 1.22.0