add OptDo wrapper

2018-12-22 19:50:52 +01:00 · 2018-12-22 19:50:52 +01:00 · 76fabd44bb
commit 76fabd44bb
parent 3ba00a035c
1 changed files with 8 additions and 0 deletions
--- a/goutil.go
+++ b/goutil.go
@ -96,6 +96,14 @@ func AskFor(question string) (string, error) {
 	}
 }

+func OptDo(err error, f func() error) error {
+	if err == nil {
+		return f()
+	} else {
+		return err
+	}
+}
+
 func IntMin(x, y int) int {
 	if x < y {
 		return x