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			32 lines
		
	
	
	
		
			544 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			32 lines
		
	
	
	
		
			544 B
		
	
	
	
		
			Go
		
	
	
	
	
	
| // $G $D/$F.go && $L $F.$A && ./$A.out || echo BUG: should run
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| 
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| // Copyright 2009 The Go Authors. All rights reserved.
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| // Use of this source code is governed by a BSD-style
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| // license that can be found in the LICENSE file.
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| 
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| package main
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| 
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| import "os"
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| 
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| type S struct { i int }
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| func (p *S) Get() int { return p.i }
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| 
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| type Empty interface {
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| }
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| 
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| type Getter interface {
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| 	Get() int;
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| }
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| 
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| func f1(p Empty) {
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| 	switch x := p.(type) {
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| 	default: println("failed to match interface"); os.Exit(1);
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| 	case Getter: break;
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| 	}
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| 
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| }
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| 
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| func main() {
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| 	var s S;
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| 	f1(&s);
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| }
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