| // $G $D/$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 main() { | 
 | 	c := make(chan int, 10); | 
 | 	if len(c) != 0 || cap(c) != 10 { | 
 | 		panicln("chan len/cap ", len(c), cap(c), " want 0 10"); | 
 | 	} | 
 |  | 
 | 	for i := 0; i < 3; i++ { | 
 | 		c <- i; | 
 | 	} | 
 | 	if len(c) != 3 || cap(c) != 10 { | 
 | 		panicln("chan len/cap ", len(c), cap(c), " want 3 10"); | 
 | 	} | 
 | 	 | 
 | 	c = make(chan int); | 
 | 	if len(c) != 0 || cap(c) != 0 { | 
 | 		panicln("chan len/cap ", len(c), cap(c), " want 0 0"); | 
 | 	} | 
 | } | 
 |  |