File: issue4232.go

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// 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.

package p

func f() {
	var a [10]int
	_ = a[-1] // ERROR "invalid array index -1"
	_ = a[-1:] // ERROR "invalid slice index -1"
	_ = a[:-1] // ERROR "invalid slice index -1"
	_ = a[10] // ERROR "invalid array index 10"

	var s []int
	_ = s[-1] // ERROR "invalid slice index -1"
	_ = s[-1:] // ERROR "invalid slice index -1"
	_ = s[:-1] // ERROR "invalid slice index -1"
	_ = s[10]

	const c = "foo"
	_ = c[-1] // ERROR "invalid string index -1"
	_ = c[-1:] // ERROR "invalid slice index -1"
	_ = c[:-1] // ERROR "invalid slice index -1"
	_ = c[3] // ERROR "invalid string index 3"

	var t string
	_ = t[-1] // ERROR "invalid string index -1"
	_ = t[-1:] // ERROR "invalid slice index -1"
	_ = t[:-1] // ERROR "invalid slice index -1"
	_ = t[3]
}