mirror of
https://github.com/golang/go
synced 2024-09-24 01:20:13 -06:00
d2cc988429
X ,s;^// \$G (\$D/)?\$F\.go *$;// compile;g X ,s;^// \$G (\$D/)?\$F\.go && \$L \$F\.\$A *$;// build;g X ,s;^// \$G (\$D/)?\$F\.go && \$L \$F\.\$A && \./\$A\.out *$;// run;g X ,s;^// errchk \$G( -e)? (\$D/)?\$F\.go *$;// errorcheck;g R=golang-dev, bradfitz CC=golang-dev https://golang.org/cl/5673079
58 lines
839 B
Go
58 lines
839 B
Go
// run
|
|
|
|
// 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 S struct {
|
|
a,b int;
|
|
}
|
|
|
|
type I1 interface {
|
|
f ()int;
|
|
}
|
|
|
|
type I2 interface {
|
|
g() int;
|
|
f() int;
|
|
}
|
|
|
|
func (this *S) f()int {
|
|
return this.a;
|
|
}
|
|
|
|
func (this *S) g()int {
|
|
return this.b;
|
|
}
|
|
|
|
func
|
|
main() {
|
|
var i1 I1;
|
|
var i2 I2;
|
|
var g *S;
|
|
|
|
s := new(S);
|
|
s.a = 5;
|
|
s.b = 6;
|
|
|
|
// call structure
|
|
if s.f() != 5 { panic(11); }
|
|
if s.g() != 6 { panic(12); }
|
|
|
|
i1 = s; // convert S to I1
|
|
i2 = i1.(I2); // convert I1 to I2
|
|
|
|
// call interface
|
|
if i1.f() != 5 { panic(21); }
|
|
if i2.f() != 5 { panic(22); }
|
|
if i2.g() != 6 { panic(23); }
|
|
|
|
g = i1.(*S); // convert I1 to S
|
|
if g != s { panic(31); }
|
|
|
|
g = i2.(*S); // convert I2 to S
|
|
if g != s { panic(32); }
|
|
}
|