conn.go
func (c *conn) flush(n int) {
	if len(c.buf) == 0 {
		return
	}
	if n == 0 {
		n = len(c.buf)
	}

	// Trim the last \n, StatsD does not like it.
	_, err := c.w.Write(c.buf[:n-1])
	c.handleError(err)
	if n < len(c.buf) {
		copy(c.buf, c.buf[n:])
	}
	c.buf = c.buf[:len(c.buf)-n]
}
func (c *conn) flush(n int) {
	if len(c.buf) == 0 {
		return
	}
	if n == 0 {
		n = len(c.buf)
	}

	// Trim the last \n, StatsD does not like it.
	_, err := c.w.Write(c.buf[:n-1])
	c.handleError(err)
	if n < len(c.buf) {
		copy(c.buf, c.buf[n:])
	}
	c.buf = c.buf[:len(c.buf)-n]
}
func ( c * conn ) flush ( n int ) { if len ( c . buf ) == 0 { return } if n == 0 { n = len ( c . buf ) } // Trim the last \n, StatsD does not like it. _ , err := c . w . Write ( c . buf [ : n - 1 ] ) c . handleError ( err ) if n < len ( c . buf ) { copy ( c . buf , c . buf [ n : ] ) } c . buf = c . buf [ : len ( c . buf ) - n ] }
// flush flushes the first n bytes of the buffer.
// If n is 0, the whole buffer is flushed.
flush flushes the first n bytes of the buffer . If n is 0 the whole buffer is flushed .