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Source file src/net/pipe.go

  // Copyright 2010 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 net
  
  import (
  	"errors"
  	"io"
  	"time"
  )
  
  // Pipe creates a synchronous, in-memory, full duplex
  // network connection; both ends implement the Conn interface.
  // Reads on one end are matched with writes on the other,
  // copying data directly between the two; there is no internal
  // buffering.
  func Pipe() (Conn, Conn) {
  	r1, w1 := io.Pipe()
  	r2, w2 := io.Pipe()
  
  	return &pipe{r1, w2}, &pipe{r2, w1}
  }
  
  type pipe struct {
  	*io.PipeReader
  	*io.PipeWriter
  }
  
  type pipeAddr int
  
  func (pipeAddr) Network() string {
  	return "pipe"
  }
  
  func (pipeAddr) String() string {
  	return "pipe"
  }
  
  func (p *pipe) Close() error {
  	err := p.PipeReader.Close()
  	err1 := p.PipeWriter.Close()
  	if err == nil {
  		err = err1
  	}
  	return err
  }
  
  func (p *pipe) LocalAddr() Addr {
  	return pipeAddr(0)
  }
  
  func (p *pipe) RemoteAddr() Addr {
  	return pipeAddr(0)
  }
  
  func (p *pipe) SetDeadline(t time.Time) error {
  	return &OpError{Op: "set", Net: "pipe", Source: nil, Addr: nil, Err: errors.New("deadline not supported")}
  }
  
  func (p *pipe) SetReadDeadline(t time.Time) error {
  	return &OpError{Op: "set", Net: "pipe", Source: nil, Addr: nil, Err: errors.New("deadline not supported")}
  }
  
  func (p *pipe) SetWriteDeadline(t time.Time) error {
  	return &OpError{Op: "set", Net: "pipe", Source: nil, Addr: nil, Err: errors.New("deadline not supported")}
  }
  

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