1 // errorcheck 2 3 // Copyright 2015 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 7 // Test that an incorrect use of the blank identifer is caught. 8 // Does not compile. 9 10 package main 11 12 func f() (_, _ []int) { return } 13 func g() (x []int, y float64) { return } 14 15 func main() { 16 _ = append(f()) // ERROR "cannot append \[\]int value to \[\]int" 17 _ = append(g()) // ERROR "cannot append float64 value to \[\]int" 18 } 19