modernc.org/gc@v1.0.1-0.20240304020402-f0dba7c97c2b/testdata/errchk/test/fixedbugs/issue12525.go (about)

     1  // errorcheck
     2  
     3  // Copyright 2016 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 12525: confusing error trying to increment boolean value
     8  
     9  package main
    10  
    11  func main() {
    12  	var i int
    13  	i++
    14  
    15  	var f float64
    16  	f++
    17  
    18  	var c complex128
    19  	c++
    20  
    21  	var b bool
    22  	b++ // ERROR "invalid operation: b\+\+ \(non-numeric type bool\)"
    23  
    24  	var s string
    25  	s-- // ERROR "invalid operation: s-- \(non-numeric type string\)"
    26  }