func (c *Conn) Close() {
	if c.closed {
		return
	}
	c.closed = true
	c.nc.Close()
}
// Close closes the net.Conn.
Close closes the net.Conn.
// Close closes the net . Conn .
func (c *Conn) Close() {
	if c.closed {
		return
	}
	c.closed = true
	c.nc.Close()
}
func ( c * Conn ) Close ( ) { if c . closed { return } c . closed = true c . nc . Close ( ) }
Close closes the net.Conn.
Close closes the net . Conn .