modernc.org/gc@v1.0.1-0.20240304020402-f0dba7c97c2b/testdata/errchk/test/append1.go (about)

     1  // errorcheck
     2  
     3  // Copyright 2017 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  // Verify that append arguments requirements are enforced by the
     8  // compiler.
     9  
    10  package main
    11  
    12  func main() {
    13  
    14  	s := make([]int, 8)
    15  
    16  	_ = append()           // ERROR "missing arguments to append"
    17  	_ = append(s...)       // ERROR "cannot use ... on first argument"
    18  	_ = append(s, 2, s...) // ERROR "too many arguments to append"
    19  
    20  }