|  | // 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. | 
|  |  | 
|  | // Verify that append arguments requirements are enforced by the | 
|  | // compiler. | 
|  |  | 
|  | package main | 
|  |  | 
|  | func main() { | 
|  |  | 
|  | s := make([]int, 8) | 
|  |  | 
|  | _ = append()           // ERROR "missing arguments to append" | 
|  | _ = append(s...)       // ERROR "cannot use ... on first argument" | 
|  | _ = append(s, 2, s...) // ERROR "too many arguments to append" | 
|  |  | 
|  | _ = append(s, make([]int, 0))     // ERROR "cannot use make.* as type int in append" | 
|  | _ = append(s, make([]int, -1)...) // ERROR "negative len argument in make" | 
|  | } |