issue50372.go

     1  // errorcheck
     2  
     3  // Copyright 2022 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 p
     8  
     9  func _(s []int) {
    10          var i, j, k, l int
    11          _, _, _, _ = i, j, k, l
    12  
    13          for range s {}
    14          for i = range s {}
    15          for i, j = range s {}
    16          for i, j, k = range s {} // ERROR "range clause permits at most two iteration variables"
    17          for i, j, k, l = range s {} // ERROR "range clause permits at most two iteration variables"
    18  }
    19  
    20  func _(s chan int) {
    21          var i, j, k, l int
    22          _, _, _, _ = i, j, k, l
    23  
    24          for range s {}
    25          for i = range s {}
    26          for i, j = range s {} // ERROR "range over .* permits only one iteration variable"
    27          for i, j, k = range s {} // ERROR "range over .* permits only one iteration variable"
    28          for i, j, k, l = range s {} // ERROR "range over .* permits only one iteration variable"
    29  }
    30
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