mirror of
https://github.com/golang/go
synced 2024-11-26 22:01:27 -07:00
31 lines
558 B
Go
31 lines
558 B
Go
|
// 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.
|
||
|
|
|
||
|
|
// $G $D/$F.go && $L $F.$A && ./$A.out
|
||
|
|
|
||
|
|
package main
|
||
|
|
|
||
|
|
func assert(cond bool, msg string) {
|
||
|
|
if !cond {
|
||
|
|
print "assertion fail: " + msg + "\n";
|
||
|
|
panic 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
const (
|
||
|
|
x int = iota;
|
||
|
|
y = iota;
|
||
|
|
z = 1 << iota;
|
||
|
|
f float = 2 * iota;
|
||
|
|
g float = 4.5 * float(iota);
|
||
|
|
);
|
||
|
|
|
||
|
|
func main() {
|
||
|
|
assert(x == 0, "x");
|
||
|
|
assert(y == 1, "y");
|
||
|
|
assert(z == 4, "z");
|
||
|
|
assert(f == 6.0, "f");
|
||
|
|
assert(g == 18.0, "g");
|
||
|
|
}
|