add delete match function

container.go

@@ -84,8 +84,20 @@ func (c *container) destroy(typ reflect.Type, identifier ...string) {
 	delete(c.instances, instanceSelector)
 }
 
+func (c *container) destroyAllMatching(match func(string) bool) {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
+	for key := range c.instances {
+		if match(key) {
+			delete(c.instances, key)
+		}
+	}
+	println("")
+}
+
 func (c *container) getSelector(typ reflect.Type, identifier ...string) string {
 	typeName := typ.String()
 	additionalKey := strings.Join(identifier, "_")
-	return fmt.Sprintf("%s_%s", typeName, additionalKey)
+	return fmt.Sprintf("%s_%s", additionalKey, typeName)
 }

injector.go

@@ -35,3 +35,7 @@ func Destroy[T any](identifier ...string) {
 	typ := reflect.TypeOf((*T)(nil)).Elem()
 	getContainer().destroy(typ, identifier...)
 }
+
+func DestroyAllMatching(match func(string) bool) {
+	getContainer().destroyAllMatching(match)
+}

injector_test.go

@@ -2,6 +2,7 @@ package di_test
 
 import (
 	"fmt"
+	"strings"
 	"testing"
 
 	di "git.apihub24.de/admin/generic-di"
@@ -211,6 +212,13 @@ func TestOverwriteInjectableInstance(t *testing.T) {
 	}
 }
 
+func TestDestroyMatching(t *testing.T) {
+	_ = di.Inject[greetingService]("abc")
+	_ = di.Inject[greetingService]("def")
+	_ = di.Inject[greetingService]("abc_def")
+	di.DestroyAllMatching(func(key string) bool { return strings.HasPrefix(key, "abc") })
+}
+
 func TestDestroy(t *testing.T) {
 	_ = di.Inject[textService]("a")
 	di.Destroy[textService]("a")