mirror of
https://github.com/golang/go
synced 2024-11-26 04:37:59 -07:00
49 lines
818 B
Go
49 lines
818 B
Go
// 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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type INT uint64
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func Multiplier(f INT) (in, out *chan INT) {
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inc := new(chan INT, 100);
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outc := new(chan INT);
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go func(f INT, in, out *chan INT) {
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for {
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out -< f * <-in;
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}
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}(f, inc, outc)
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return inc, outc
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}
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func min(a, b INT) INT {
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if a < b { return a }
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return b;
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}
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func main() {
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c2i, c2o := Multiplier(2);
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c3i, c3o := Multiplier(3);
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c5i, c5o := Multiplier(5);
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var x INT = 1;
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x2, x3, x5 := x, x, x;
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for i := 0; i < 100; i++ {
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print(x, "\n");
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c2i -< x;
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c3i -< x;
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c5i -< x;
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if x2 == x { x2 = <- c2o }
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if x3 == x { x3 = <- c3o }
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if x5 == x { x5 = <- c5o }
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x = min(min(x2, x3), x5);
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}
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sys.exit(0);
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}
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