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// $G $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 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);
)
const (
X = 0;
Y;
Z;
)
const (
A = 1 << iota;
B;
C;
D;
E = iota * iota;
F;
G;
)
const (
a = 1;
b = iota << a;
c = iota << b;
d;
)
const (
i = (a << iota) + (b * iota);
j;
k;
l;
)
const (
m = iota == 0;
n;
)
const (
p = float(iota);
q;
r;
)
const (
s = string(iota + 'a');
t;
)
const (
abit, amask = 1 << iota, 1 << iota - 1;
bbit, bmask = 1 << iota, 1 << iota - 1;
cbit, cmask = 1 << iota, 1 << iota - 1;
)
func main() {
assert(x == 0, "x");
assert(y == 1, "y");
assert(z == 4, "z");
assert(f == 6.0, "f");
assert(g == 18.0, "g");
assert(X == 0, "X");
assert(Y == 0, "Y");
assert(Z == 0, "Z");
assert(A == 1, "A");
assert(B == 2, "B");
assert(C == 4, "C");
assert(D == 8, "D");
assert(E == 16, "E");
assert(F == 25, "F");
assert(a == 1, "a");
assert(b == 2, "b");
assert(c == 8, "c");
assert(d == 12, "d");
assert(i == 1, "i");
assert(j == 4, "j");
assert(k == 8, "k");
assert(l == 14, "l");
assert(m, "m");
assert(!n, "n");
assert(p == 0.0, "p");
assert(q == 1.0, "q");
assert(r == 2.0, "r");
assert(s == "a", "s");
assert(t == "b", "t");
assert(abit == 1, "abit");
assert(amask == 0, "amask");
assert(bbit == 2, "bbit");
assert(bmask == 1, "bmask");
assert(cbit == 4, "cbit");
assert(cmask == 3, "cmask");
}
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