| // $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 |
| I interface |
| { |
| test1, |
| test2, |
| test3, |
| test4, |
| test5, |
| test6, |
| test7() int; |
| }; |
| |
| /****** |
| ****** |
| ******/ |
| |
| type |
| SubpSubp struct |
| { |
| a7 int; |
| a int; |
| } |
| func (p *SubpSubp) |
| test7() int |
| { |
| if p.a != p.a7 { panicln("SubpSubp", p, p.a7) } |
| return p.a |
| } |
| func (p *SubpSubp) |
| testx() |
| { |
| println("SubpSubp", p, p.a7); |
| } |
| |
| /****** |
| ****** |
| ******/ |
| |
| type |
| SubpSub struct |
| { |
| a6 int; |
| SubpSubp; |
| a int; |
| } |
| func (p *SubpSub) |
| test6() int |
| { |
| if p.a != p.a6 { panicln("SubpSub", p, p.a6) } |
| return p.a |
| } |
| func (p *SubpSub) |
| testx() |
| { |
| println("SubpSub", p, p.a6); |
| } |
| |
| /****** |
| ****** |
| ******/ |
| |
| type |
| SubSubp struct |
| { |
| a5 int; |
| a int; |
| } |
| func (p *SubSubp) |
| test5() int |
| { |
| if p.a != p.a5 { panicln("SubpSub", p, p.a5) } |
| return p.a |
| } |
| |
| /****** |
| ****** |
| ******/ |
| |
| type |
| SubSub struct |
| { |
| a4 int; |
| a int; |
| } |
| func (p *SubSub) |
| test4() int |
| { |
| if p.a != p.a4 { panicln("SubpSub", p, p.a4) } |
| return p.a |
| } |
| |
| /****** |
| ****** |
| ******/ |
| |
| type |
| Subp struct |
| { |
| a3 int; |
| *SubpSubp; |
| SubpSub; |
| a int; |
| } |
| func (p *Subp) |
| test3() int |
| { |
| if p.a != p.a3 { panicln("SubpSub", p, p.a3) } |
| return p.a |
| } |
| |
| /****** |
| ****** |
| ******/ |
| |
| type |
| Sub struct |
| { |
| a2 int; |
| *SubSubp; |
| SubSub; |
| a int; |
| } |
| func (p *Sub) |
| test2() int |
| { |
| if p.a != p.a2 { panicln("SubpSub", p, p.a2) } |
| return p.a |
| } |
| |
| /****** |
| ****** |
| ******/ |
| |
| type |
| S struct |
| { |
| a1 int; |
| Sub; |
| *Subp; |
| a int; |
| } |
| func (p *S) |
| test1() int |
| { |
| if p.a != p.a1 { panicln("SubpSub", p, p.a1) } |
| return p.a |
| } |
| |
| /****** |
| ****** |
| ******/ |
| |
| func |
| main() |
| { |
| var i I; |
| var s *S; |
| |
| // allocate |
| s = new(S); |
| s.Subp = new(Subp); |
| s.Sub.SubSubp = new(SubSubp); |
| s.Subp.SubpSubp = new(SubpSubp); |
| |
| // explicit assignment |
| s.a = 1; |
| s.Sub.a = 2; |
| s.Subp.a = 3; |
| s.Sub.SubSub.a = 4; |
| s.Sub.SubSubp.a = 5; |
| s.Subp.SubpSub.a = 6; |
| s.Subp.SubpSubp.a = 7; |
| |
| // embedded (unique) assignment |
| s.a1 = 1; |
| s.a2 = 2; |
| s.a3 = 3; |
| s.a4 = 4; |
| s.a5 = 5; |
| s.a6 = 6; |
| s.a7 = 7; |
| |
| // unique calls with explicit & |
| if s.test1() != 1 { panicln("t1", 1) } |
| if (&s.Sub).test2() != 2 { panicln("t1", 2) } |
| if s.Subp.test3() != 3 { panicln("t1", 3) } |
| if (&s.Sub.SubSub).test4() != 4 { panicln("t1", 4) } |
| if s.Sub.SubSubp.test5() != 5 { panicln("t1", 5) } |
| if (&s.Subp.SubpSub).test6() != 6 { panicln("t1", 6) } |
| if s.Subp.SubpSubp.test7() != 7 { panicln("t1", 7) } |
| |
| // automatic & |
| if s.Sub.test2() != 2 { panicln("t2", 2) } |
| if s.Sub.SubSub.test4() != 4 { panicln("t2", 4) } |
| if s.Subp.SubpSub.test6() != 6 { panicln("t2", 6) } |
| |
| // embedded calls |
| if s.test1() != s.a1 { panicln("t3", 1) } |
| if s.test2() != s.a2 { panicln("t3", 2) } |
| if s.test3() != s.a3 { panicln("t3", 3) } |
| if s.test4() != s.a4 { panicln("t3", 4) } |
| if s.test5() != s.a5 { panicln("t3", 5) } |
| if s.test6() != s.a6 { panicln("t3", 6) } |
| if s.test7() != s.a7 { panicln("t3", 7) } |
| |
| // run it thru an interface |
| i = s; |
| s = i.(*S); |
| |
| // same as t3 |
| if s.test1() != s.a1 { panicln("t4", 1) } |
| if s.test2() != s.a2 { panicln("t4", 2) } |
| if s.test3() != s.a3 { panicln("t4", 3) } |
| if s.test4() != s.a4 { panicln("t4", 4) } |
| if s.test5() != s.a5 { panicln("t4", 5) } |
| if s.test6() != s.a6 { panicln("t4", 6) } |
| if s.test7() != s.a7 { panicln("t4", 7) } |
| |
| // call interface |
| if i.test1() != s.test1() { panicln("t5", 1) } |
| if i.test2() != s.test2() { panicln("t5", 2) } |
| if i.test3() != s.test3() { panicln("t5", 3) } |
| if i.test4() != s.test4() { panicln("t5", 4) } |
| if i.test5() != s.test5() { panicln("t5", 5) } |
| if i.test6() != s.test6() { panicln("t5", 6) } |
| if i.test7() != s.test7() { panicln("t5", 7) } |
| } |