1// errorcheck 2 3// Copyright 2011 The Go Authors. All rights reserved. 4// Use of this source code is governed by a BSD-style 5// license that can be found in the LICENSE file. 6 7package main 8 9func main() { 10 x := "" 11 x = +"hello" // ERROR "invalid operation.*string|expected numeric" 12 x = +x // ERROR "invalid operation.*string|expected numeric" 13} 14