| // $G $D/$F.go && $L $F.$A && ./$A.out |
| |
| // Copyright 2009 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 |
| |
| type Element interface { |
| } |
| |
| type Vector struct { |
| elem *[]Element; |
| } |
| |
| func (v *Vector) At(i int) Element { |
| return v.elem[i]; |
| } |
| |
| type TStruct struct { |
| name string; |
| fields *Vector; |
| } |
| |
| func (s *TStruct) field(i int) *TStruct { |
| // works if we say |
| // t := s.fields.At(i); |
| // return t; |
| return s.fields.At(i); |
| } |
| |
| func main() { |
| v := new(Vector); |
| v.elem = new([10]Element); |
| t := new(TStruct); |
| t.name = "hi"; |
| v.elem[0] = t; |
| s := new(TStruct); |
| s.name = "foo"; |
| s.fields = v; |
| if s.field(0).name != "hi" { |
| panic "bad name" |
| } |
| } |