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			46 lines
		
	
	
	
		
			740 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			46 lines
		
	
	
	
		
			740 B
		
	
	
	
		
			Go
		
	
	
	
	
	
| // $G $D/$F.go && $L $F.$A && ./$A.out
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| 
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| // Copyright 2011 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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| type Value struct {
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| 	X interface{}
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| 	Y int
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| }
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| 
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| type Struct struct {
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| 	X complex128
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| }
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| 
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| const magic = 1 + 2i
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| 
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| func (Value) Complex(x complex128) {
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| 	if x != magic {
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| 		println(x)
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| 		panic("bad complex magic")
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| 	}
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| }
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| 
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| func f(x *byte, y, z int) complex128 {
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| 	return magic
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| }
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| 
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| func (Value) Struct(x Struct) {
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| 	if x.X != magic {
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| 		println(x.X)
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| 		panic("bad struct magic")
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| 	}
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| }
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| 
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| func f1(x *byte, y, z int) Struct {
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| 	return Struct{magic}
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| }
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| 
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| func main() {
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| 	var v Value
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| 	v.Struct(f1(nil, 0, 0)) // ok
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| 	v.Complex(f(nil, 0, 0)) // used to fail
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| }
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