// errorcheck // Copyright 2016 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 type Foo struct { X int } func main() { var s []int var _ string = append(s, Foo{""}) // ERROR "cannot use append\(s, Foo{…}\) .* as string value in variable declaration" "cannot use Foo{…} .* as int value in argument to append" "cannot use .* as int value in struct literal" }