go/test/syntax/chan1.go

// errorcheck

// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package main

var c chan int
var v int

func main() {
	if c <- v { // ERROR "used as value"
	}
}

var _ = c <- v // ERROR "unexpected <-"