// 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 .. \(type untyped string\) as type int in field value" "cannot use Foo{...} \(type Foo\) as type int in append" "cannot use append\(s\, Foo{...}\) \(type \[\]int\) as type string in assignment" }