}

func isTimeDotParse(f *types.Func) bool {
	return analysisutil.IsFunctionNamed(f, "time", "Parse")
}

// badFormatAt return the start of a bad format in e or -1 if no bad format is found.
func badFormatAt(info *types.Info, e ast.Expr) int {
	tv, ok := info.Types[e]
	if !ok { // no type info, assume good
		return -1
	}