feat: withJoin 增加 Len 和 ToError

ace-zhaoy · Nov 17, 2024 · 648367e · 648367e
1 parent 23096a3
commit 648367e
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/join.go b/join.go
@@ -37,6 +37,8 @@ type ErrorJoin interface {
 	error
 	Append(error)
 	Unwrap() []error
+	Len() int
+	ToError() error
 }
 
 type withJoin struct {
@@ -95,3 +97,14 @@ func (w *withJoin) Format(s fmt.State, verb rune) {
 		}
 	}
 }
+
+func (w *withJoin) Len() int {
+	return len(w.errs)
+}
+
+func (w *withJoin) ToError() error {
+	if len(w.errs) == 0 {
+		return nil
+	}
+	return w
+}