modernc.org/gc@v1.0.1-0.20240304020402-f0dba7c97c2b/testdata/errchk/test/fixedbugs/issue6269.go (about)

     1  // run
     2  
     3  // Copyright 2013 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 6269: name collision on method names for function local types.
     8  
     9  package main
    10  
    11  type foo struct{}
    12  
    13  func (foo) Error() string {
    14  	return "ok"
    15  }
    16  
    17  type bar struct{}
    18  
    19  func (bar) Error() string {
    20  	return "fail"
    21  }
    22  
    23  func unused() {
    24  	type collision struct {
    25  		bar
    26  	}
    27  	_ = collision{}
    28  }
    29  
    30  func main() {
    31  	type collision struct {
    32  		foo
    33  	}
    34  	s := error(collision{})
    35  	if str := s.Error(); str != "ok" {
    36  		println("s.Error() ==", str)
    37  		panic(`s.Error() != "ok"`)
    38  	}
    39  }