Merge pull request #648 from iotaledger/feat/batch-reverse

Feat: Add lo.BatchReverse

lo/batch.go

@@ -1,5 +1,6 @@
 package lo
 
+// Batch creates a new function that calls the given functions in order (nil entries are ignored).
 func Batch(callbacks ...func()) func() {
 	return func() {
 		for _, callback := range callbacks {
@@ -9,3 +10,14 @@ func Batch(callbacks ...func()) func() {
 		}
 	}
 }
+
+// BatchReverse creates a new function that calls the given functions in reverse order (nil entries are ignored).
+func BatchReverse(callbacks ...func()) func() {
+	return func() {
+		for i := len(callbacks) - 1; i >= 0; i-- {
+			if callback := callbacks[i]; callback != nil {
+				callback()
+			}
+		}
+	}
+}