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Source file test/fixedbugs/issue4813.go

Documentation: test/fixedbugs

     1  // errorcheck
     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 4813: use of constant floats as indices.
     8  
     9  package main
    10  
    11  var A [3]int
    12  var S []int
    13  var T string
    14  
    15  const (
    16  	i  = 1
    17  	f  = 2.0
    18  	f2 = 2.1
    19  	c  = complex(2, 0)
    20  	c2 = complex(2, 1)
    21  )
    22  
    23  var (
    24  	vf = f
    25  	vc = c
    26  )
    27  
    28  var (
    29  	a1 = A[i]
    30  	a2 = A[f]
    31  	a3 = A[f2] // ERROR "truncated|must be integer"
    32  	a4 = A[c]
    33  	a5 = A[c2] // ERROR "truncated|must be integer"
    34  	a6 = A[vf] // ERROR "non-integer|must be integer"
    35  	a7 = A[vc] // ERROR "non-integer|must be integer"
    36  
    37  	s1 = S[i]
    38  	s2 = S[f]
    39  	s3 = S[f2] // ERROR "truncated|must be integer"
    40  	s4 = S[c]
    41  	s5 = S[c2] // ERROR "truncated|must be integer"
    42  	s6 = S[vf] // ERROR "non-integer|must be integer"
    43  	s7 = S[vc] // ERROR "non-integer|must be integer"
    44  
    45  	t1 = T[i]
    46  	t2 = T[f]
    47  	t3 = T[f2] // ERROR "truncated|must be integer"
    48  	t4 = T[c]
    49  	t5 = T[c2] // ERROR "truncated|must be integer"
    50  	t6 = T[vf] // ERROR "non-integer|must be integer"
    51  	t7 = T[vc] // ERROR "non-integer|must be integer"
    52  )
    53  

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