cmd/compile/internal/inline: score call sites exposed by inlines

[gostls13.git] / test / sieve.go

diff --git a/test/sieve.go b/test/sieve.go
index e163456176d05b134b122bc83cc83b3a9a682b97..0cd120c548e368f3a8c741ad2aacbf459f768334 100644 (file)
--- a/test/sieve.go
+++ b/test/sieve.go
@@ -1,15 +1,18 @@
-// $G $F.go && $L $F.$A  # don't run it - goes forever
+// build
 
 // 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.
 
+// Test basic concurrency: the classic prime sieve.
+// Do not run - loops forever.
+
 package main
 
 // Send the sequence 2, 3, 4, ... to channel 'ch'.
 func Generate(ch chan<- int) {
        for i := 2; ; i++ {
-               ch <- i  // Send 'i' to channel 'ch'.
+               ch <- i // Send 'i' to channel 'ch'.
        }
 }
 
@@ -17,26 +20,26 @@ func Generate(ch chan<- int) {
 // removing those divisible by 'prime'.
 func Filter(in <-chan int, out chan<- int, prime int) {
        for {
-               i := <-in;  // Receive value of new variable 'i' from 'in'.
-               if i % prime != 0 {
-                       out <- i  // Send 'i' to channel 'out'.
+               i := <-in // Receive value of new variable 'i' from 'in'.
+               if i%prime != 0 {
+                       out <- i // Send 'i' to channel 'out'.
                }
        }
 }
 
 // The prime sieve: Daisy-chain Filter processes together.
 func Sieve() {
-       ch := make(chan int);  // Create a new channel.
-       go Generate(ch);  // Start Generate() as a subprocess.
+       ch := make(chan int) // Create a new channel.
+       go Generate(ch)      // Start Generate() as a subprocess.
        for {
-               prime := <-ch;
-               print(prime, "\n");
-               ch1 := make(chan int);
-               go Filter(ch, ch1, prime);
+               prime := <-ch
+               print(prime, "\n")
+               ch1 := make(chan int)
+               go Filter(ch, ch1, prime)
                ch = ch1
        }
 }
 
 func main() {
-  Sieve()
+       Sieve()
 }