modernc.org/gc@v1.0.1-0.20240304020402-f0dba7c97c2b/testdata/errchk/test/fixedbugs/issue13365.go (about)

     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  // issue 13365: confusing error message (array vs slice)
     8  
     9  package main
    10  
    11  var t struct{}
    12  
    13  func main() {
    14  	_ = []int{-1: 0}    // ERROR "index must be non\-negative integer constant"
    15  	_ = [10]int{-1: 0}  // ERROR "index must be non\-negative integer constant"
    16  	_ = [...]int{-1: 0} // ERROR "index must be non\-negative integer constant"
    17  
    18  	_ = []int{100: 0}
    19  	_ = [10]int{100: 0} // ERROR "array index 100 out of bounds"
    20  	_ = [...]int{100: 0}
    21  
    22  	_ = []int{t}    // ERROR "cannot use .* as type int in array or slice literal"
    23  	_ = [10]int{t}  // ERROR "cannot use .* as type int in array or slice literal"
    24  	_ = [...]int{t} // ERROR "cannot use .* as type int in array or slice literal"
    25  }