| // $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 { |
| nelem int; |
| elem []Element; |
| } |
| |
| func New() *Vector { |
| v := new(Vector); |
| v.nelem = 0; |
| v.elem = make([]Element, 10); |
| return v; |
| } |
| |
| func (v *Vector) At(i int) Element { |
| return v.elem[i]; |
| } |
| |
| func (v *Vector) Insert(e Element) { |
| v.elem[v.nelem] = e; |
| v.nelem++; |
| } |
| |
| func main() { |
| type I struct { val int; }; |
| i0 := new(I); i0.val = 0; |
| i1 := new(I); i1.val = 11; |
| i2 := new(I); i2.val = 222; |
| i3 := new(I); i3.val = 3333; |
| i4 := new(I); i4.val = 44444; |
| v := New(); |
| print("hi\n"); |
| v.Insert(i4); |
| v.Insert(i3); |
| v.Insert(i2); |
| v.Insert(i1); |
| v.Insert(i0); |
| for i := 0; i < v.nelem; i++ { |
| var x *I; |
| x = v.At(i).(*I); |
| print(i, " ", x.val, "\n"); // prints correct list |
| } |
| for i := 0; i < v.nelem; i++ { |
| print(i, " ", v.At(i).(*I).val, "\n"); |
| } |
| } |
| /* |
| bug027.go:50: illegal types for operand |
| (<Element>I{}) CONV (<I>{}) |
| bug027.go:50: illegal types for operand |
| (<Element>I{}) CONV (<I>{}) |
| */ |