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go/test/alias1.go
Emmanuel Odeke 53fd522c0d all: make copyright headers consistent with one space after period
Follows suit with https://go-review.googlesource.com/#/c/20111.

Generated by running
$ grep -R 'Go Authors.  All' * | cut -d":" -f1 | while read F;do perl -pi -e 's/Go
Authors.  All/Go Authors. All/g' $F;done

The code in cmd/internal/unvendor wasn't changed.

Fixes #15213

Change-Id: I4f235cee0a62ec435f9e8540a1ec08ae03b1a75f
Reviewed-on: https://go-review.googlesource.com/21819
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2016-05-02 13:43:18 +00:00

55 lines
803 B
Go

// run
// Copyright 2011 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.
// Test that dynamic interface checks treat byte=uint8
// and rune=int or rune=int32.
package main
func main() {
var x interface{}
x = byte(1)
switch x.(type) {
case uint8:
// ok
default:
panic("byte != uint8")
}
x = uint8(2)
switch x.(type) {
case byte:
// ok
default:
panic("uint8 != byte")
}
rune32 := false
x = rune(3)
switch x.(type) {
case int:
// ok
case int32:
// must be new code
rune32 = true
default:
panic("rune != int and rune != int32")
}
if rune32 {
x = int32(4)
} else {
x = int(5)
}
switch x.(type) {
case rune:
// ok
default:
panic("int (or int32) != rune")
}
}