v0.0.526

langext/coalesce.go

@@ -133,6 +133,31 @@ func CoalesceStringer(s fmt.Stringer, def string) string {
 	}
 }
 
+func CoalesceDefault[T comparable](v1 T, def T) T {
+	if v1 != *new(T) {
+		return v1
+	}
+
+	return def
+}
+
+func CoalesceDefaultArr[T comparable](v1 T, vMore ...T) T {
+	if v1 != *new(T) {
+		return v1
+	}
+	if len(vMore) == 0 {
+		return v1
+	}
+
+	for i := 0; i < len(vMore)-1; i++ {
+		if vMore[i] != *new(T) {
+			return v1
+		}
+	}
+
+	return vMore[len(vMore)-1]
+}
+
 func SafeCast[T any](v any, def T) T {
 	switch r := v.(type) {
 	case T: