| // $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 = new([10]Element); | |
| 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++; | |
| } | |
| type I struct { val int; }; // BUG: can't be local; | |
| func main() { | |
| 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); | |
| 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>{}) | |
| */ |