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// $G $D/$F.go && $L $F.$A && ./$A.out

// 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.

package main

// Test that dynamic interface checks treat byte=uint8
// and rune=int or rune=int32.

func main() {
        var x interface{}

        x = byte(1)
        switch x.(type) {
        case uint8:
                // ok
        default:
                println("byte != uint8")
        }

        x = uint8(2)
        switch x.(type) {
        case byte:
                // ok
        default:
                println("uint8 != byte")
        }

        rune32 := false
        x = rune(3)
        switch x.(type) {
        case int:
                // ok
        case int32:
                // must be new code
                rune32 = true
        default:
                println("rune != int and rune != int32")
        }

        if rune32 {
                x = int32(4)
        } else {
                x = int(5)
        }
        switch x.(type) {
        case rune:
                // ok
        default:
                println("int (or int32) != rune")
        }
}