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go/test/fixedbugs/issue4232.go
Russ Cox d82dcadb57 cmd/gc: clean up string index errors
Unify with array/slice errors, which were already good.

Fixes #4232.

R=ken2
CC=golang-dev
https://golang.org/cl/7271046
2013-02-03 02:01:05 -05:00

34 lines
922 B
Go

// 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]
}