// errorcheck // Copyright 2017 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 p func g() {} func f() { g()[:] // ERROR "g.* used as value|attempt to slice object that is not" } func g2() ([]byte, []byte) { return nil, nil } func f2() { g2()[:] // ERROR "multiple-value g2.* in single-value context|attempt to slice object that is not|2\-valued g" }