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Source file test/fixedbugs/issue4813.go

Documentation: test/fixedbugs

  // errorcheck
  
  // Copyright 2013 The Go Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style
  // license that can be found in the LICENSE file.
  
  // Issue 4813: use of constant floats as indices.
  
  package main
  
  var A [3]int
  var S []int
  var T string
  
  const (
  	i  = 1
  	f  = 2.0
  	f2 = 2.1
  	c  = complex(2, 0)
  	c2 = complex(2, 1)
  )
  
  var (
  	vf = f
  	vc = c
  )
  
  var (
  	a1 = A[i]
  	a2 = A[f]
  	a3 = A[f2] // ERROR "truncated|must be integer"
  	a4 = A[c]
  	a5 = A[c2] // ERROR "truncated|must be integer"
  	a6 = A[vf] // ERROR "non-integer|must be integer"
  	a7 = A[vc] // ERROR "non-integer|must be integer"
  
  	s1 = S[i]
  	s2 = S[f]
  	s3 = S[f2] // ERROR "truncated|must be integer"
  	s4 = S[c]
  	s5 = S[c2] // ERROR "truncated|must be integer"
  	s6 = S[vf] // ERROR "non-integer|must be integer"
  	s7 = S[vc] // ERROR "non-integer|must be integer"
  
  	t1 = T[i]
  	t2 = T[f]
  	t3 = T[f2] // ERROR "truncated|must be integer"
  	t4 = T[c]
  	t5 = T[c2] // ERROR "truncated|must be integer"
  	t6 = T[vf] // ERROR "non-integer|must be integer"
  	t7 = T[vc] // ERROR "non-integer|must be integer"
  )
  

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