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			41 lines
		
	
	
	
		
			701 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			41 lines
		
	
	
	
		
			701 B
		
	
	
	
		
			Go
		
	
	
	
	
	
| // $G $D/$F.go && $L $F.$A && ./$A.out
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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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| type Element interface {
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| }
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| 
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| type Vector struct {
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| 	elem []Element;
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| }
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| 
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| func (v *Vector) At(i int) Element {
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| 	return v.elem[i];
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| }
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| 
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| type TStruct struct {
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| 	name string;
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| 	fields *Vector;
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| }
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| 
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| func (s *TStruct) field(i int) *TStruct {
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| 	return s.fields.At(i).(*TStruct);
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| }
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| 
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| func main() {
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| 	v := new(Vector);
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| 	v.elem = make([]Element, 10);
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| 	t := new(TStruct);
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| 	t.name = "hi";
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| 	v.elem[0] = t;
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| 	s := new(TStruct);
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| 	s.name = "foo";
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| 	s.fields = v;
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| 	if s.field(0).name != "hi" {
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| 		panic("bad name")
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| 	}
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| }
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