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// $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
func
main()
{
var c string;
a := `abc`;
b := `xyz`;
/* print a literal */
print(`abc`);
/* print a variable */
print(b, "-");
/* catenate literals */
print(`abc` + `xyz`, "-");
/* catenate variables */
print(a+b, "-");
/* compare literals */
if `abc` == `xyz` || `abc` != "abc" || `abc` > `xyz` {
panic("compare literals");
}
/* compare variables */
if a == b || a != a || a > b {
panic("compare variables");
}
/* cat */
c = a+b;
print(c, "-");
/* catequal */
c = a;
c += b;
print(c, "-");
/* clumsy evaluation */
c = b;
c = a + c;
print(c, "-");
/* len */
if len(c) != 6 {
panic("len ", len(c));
}
/* index strings */
for i:=0; i<len(c); i=i+1 {
if c[i] != (a+b)[i] {
panic("index ", i, " ", c[i], " ", (a+b)[i]);
}
}
/* slice strings */
print(c[0:3], c[3:6]);
print("\n");
/* create string with integer constant */
c = string('x');
if c != "x" {
panic("create int ", c);
}
/* create string with integer variable */
v := 'x';
c = string(v);
if c != "x" {
panic("create int ", c);
}
/* create string with byte array */
var z1 [3]byte;
z1[0] = 'a';
z1[1] = 'b';
z1[2] = 'c';
c = string(z1);
if c != "abc" {
panic("create array ", c);
}
/* create string with byte array pointer */
z2 := new([3]byte);
z2[0] = 'a';
z2[1] = 'b';
z2[2] = 'c';
c = string(z2);
if c != "abc" {
panic("create array pointer ", c);
}
}
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