github.com/tcnksm/go@v0.0.0-20141208075154-439b32936367/doc/progs/timeout2.go (about)

     1  // compile
     2  
     3  // Copyright 2012 The Go Authors. All rights reserved.
     4  // Use of this source code is governed by a BSD-style
     5  // license that can be found in the LICENSE file.
     6  package query
     7  
     8  type Conn string
     9  
    10  func (c Conn) DoQuery(query string) Result {
    11  	return Result("result")
    12  }
    13  
    14  type Result string
    15  
    16  func Query(conns []Conn, query string) Result {
    17  	ch := make(chan Result, 1)
    18  	for _, conn := range conns {
    19  		go func(c Conn) {
    20  			select {
    21  			case ch <- c.DoQuery(query):
    22  			default:
    23  			}
    24  		}(conn)
    25  	}
    26  	return <-ch
    27  }
    28  
    29  // STOP OMIT