mirror of
https://github.com/golang/go
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56 lines
957 B
Go
56 lines
957 B
Go
// $G $D/$F.go && $L $F.$A && ./$A.out
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// Copyright 2010 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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// http://code.google.com/p/go/issues/detail?id=807
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package main
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type Point struct {
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X, Y int64
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}
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type Rect struct {
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Min, Max Point
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}
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func (p Point) Sub(q Point) Point {
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return Point{p.X-q.X, p.Y-q.Y}
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}
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type Obj struct {
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bbox Rect
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}
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func (o *Obj) Bbox() Rect {
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return o.bbox
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}
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func (o *Obj) Points() [2]Point{
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return [2]Point{o.bbox.Min, o.bbox.Max}
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}
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var x = 0
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func main() {
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o := &Obj{Rect{Point{800, 0}, Point{}}}
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p := Point{800, 300}
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q := p.Sub(o.Bbox().Min)
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if q.X != 0 || q.Y != 300 {
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println("BUG dot: ", q.X, q.Y)
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return
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}
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q = p.Sub(o.Points()[0])
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if q.X != 0 || q.Y != 300 {
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println("BUG index const: ", q.X, q.Y)
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}
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q = p.Sub(o.Points()[x])
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if q.X != 0 || q.Y != 300 {
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println("BUG index var: ", q.X, q.Y)
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}
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}
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