modernc.org/gc@v1.0.1-0.20240304020402-f0dba7c97c2b/testdata/errchk/test/fixedbugs/bug197.go (about)

     1  // errorcheck
     2  
     3  // Copyright 2009 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  package main
     8  
     9  type T int
    10  type U int
    11  
    12  var x int
    13  
    14  var t T = int(0)	// ERROR "cannot use|incompatible"
    15  var t1 T = int(x)	// ERROR "cannot use|incompatible"
    16  var u U = int(0)	// ERROR "cannot use|incompatible"
    17  var u1 U = int(x)	// ERROR "cannot use|incompatible"
    18  
    19  type S string
    20  var s S
    21  
    22  var s1 = s + "hello"
    23  var s2 = "hello" + s
    24  var s3 = s + string("hello")	// ERROR "invalid operation|incompatible"
    25  var s4 = string("hello") + s	// ERROR "invalid operation|incompatible"
    26  
    27  var r string
    28  
    29  var r1 = r + "hello"
    30  var r2 = "hello" + r
    31  var r3 = r + string("hello")
    32  var r4 = string("hello") + r
    33