mirror of
https://github.com/golang/go
synced 2024-10-01 09:28:37 -06:00
49 lines
818 B
Go
49 lines
818 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.
|
|
|
|
package main
|
|
|
|
type INT uint64
|
|
|
|
func Multiplier(f INT) (in, out *chan INT) {
|
|
inc := new(chan INT, 100);
|
|
outc := new(chan INT);
|
|
go func(f INT, in, out *chan INT) {
|
|
for {
|
|
out -< f * <-in;
|
|
}
|
|
}(f, inc, outc)
|
|
return inc, outc
|
|
}
|
|
|
|
func min(a, b INT) INT {
|
|
if a < b { return a }
|
|
return b;
|
|
}
|
|
|
|
func main() {
|
|
c2i, c2o := Multiplier(2);
|
|
c3i, c3o := Multiplier(3);
|
|
c5i, c5o := Multiplier(5);
|
|
|
|
var x INT = 1;
|
|
|
|
x2, x3, x5 := x, x, x;
|
|
|
|
for i := 0; i < 100; i++ {
|
|
print(x, "\n");
|
|
|
|
c2i -< x;
|
|
c3i -< x;
|
|
c5i -< x;
|
|
|
|
if x2 == x { x2 = <- c2o }
|
|
if x3 == x { x3 = <- c3o }
|
|
if x5 == x { x5 = <- c5o }
|
|
|
|
x = min(min(x2, x3), x5);
|
|
}
|
|
sys.exit(0);
|
|
}
|