go strvar 源码
golang strvar 代码
文件路径：/test/ken/strvar.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.
// Test struct-valued variables (not pointers).
package main
type x2 struct { a,b,c int; d int; };
var g1 x2;
var g2 struct { a,b,c int; d x2; };
func
main() {
var x int;
var s1 *x2;
var s2 *struct { a,b,c int; d x2; };
var s3 struct { a,b,c int; d x2; };
s1 = &g1;
s2 = &g2;
s1.a = 1;
s1.b = 2;
s1.c = 3;
s1.d = 5;
if(s1.c != 3) { panic(s1.c); }
if(g1.c != 3) { panic(g1.c); }
s2.a = 7;
s2.b = 11;
s2.c = 13;
s2.d.a = 17;
s2.d.b = 19;
s2.d.c = 23;
s2.d.d = 29;
if(s2.d.c != 23) { panic(s2.d.c); }
if(g2.d.c != 23) { panic(g2.d.c); }
x = s1.a +
s1.b +
s1.c +
s1.d +
s2.a +
s2.b +
s2.c +
s2.d.a +
s2.d.b +
s2.d.c +
s2.d.d;
if(x != 130) { panic(x); }
// test an automatic struct
s3.a = 7;
s3.b = 11;
s3.c = 13;
s3.d.a = 17;
s3.d.b = 19;
s3.d.c = 23;
s3.d.d = 29;
if(s3.d.c != 23) { panic(s3.d.c); }
x = s3.a +
s3.b +
s3.c +
s3.d.a +
s3.d.b +
s3.d.c +
s3.d.d;
if(x != 119) { panic(x); }
}
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