mirror of
https://github.com/golang/go
synced 2024-11-13 16:50:23 -07:00
121 lines
1.7 KiB
Go
121 lines
1.7 KiB
Go
// $G $F.go && $L $F.$A && ./$A.out
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// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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func assert(cond bool, msg string) {
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if !cond {
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print("assertion fail: ", msg, "\n");
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panic(1);
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}
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}
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const (
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x int = iota;
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y = iota;
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z = 1 << iota;
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f float = 2 * iota;
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g float = 4.5 * float(iota);
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)
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const (
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X = 0;
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Y;
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Z;
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)
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const (
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A = 1 << iota;
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B;
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C;
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D;
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E = iota * iota;
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F;
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G;
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)
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const (
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a = 1;
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b = iota << a;
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c = iota << b;
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d;
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)
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const (
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i = (a << iota) + (b * iota);
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j;
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k;
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l;
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)
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const (
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m = iota == 0;
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n;
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)
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const (
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p = float(iota);
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q;
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r;
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)
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const (
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s = string(iota + 'a');
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t;
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)
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const (
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abit, amask = 1 << iota, 1 << iota - 1;
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bbit, bmask = 1 << iota, 1 << iota - 1;
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cbit, cmask = 1 << iota, 1 << iota - 1;
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)
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func main() {
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assert(x == 0, "x");
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assert(y == 1, "y");
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assert(z == 4, "z");
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assert(f == 6.0, "f");
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assert(g == 18.0, "g");
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assert(X == 0, "X");
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assert(Y == 0, "Y");
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assert(Z == 0, "Z");
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assert(A == 1, "A");
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assert(B == 2, "B");
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assert(C == 4, "C");
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assert(D == 8, "D");
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assert(E == 16, "E");
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assert(F == 25, "F");
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assert(a == 1, "a");
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assert(b == 2, "b");
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assert(c == 8, "c");
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assert(d == 12, "d");
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assert(i == 1, "i");
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assert(j == 4, "j");
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assert(k == 8, "k");
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assert(l == 14, "l");
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assert(m, "m");
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assert(!n, "n");
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assert(p == 0.0, "p");
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assert(q == 1.0, "q");
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assert(r == 2.0, "r");
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assert(s == "a", "s");
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assert(t == "b", "t");
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assert(abit == 1, "abit");
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assert(amask == 0, "amask");
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assert(bbit == 2, "bbit");
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assert(bmask == 1, "bmask");
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assert(cbit == 4, "cbit");
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assert(cmask == 3, "cmask");
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}
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