Fix an inaccurate comment.
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@ -509,8 +509,9 @@ impl<'a> TcpSocket<'a> {
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/// there are not enough octets queued in the receive buffer, down to
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/// an empty slice.
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pub fn recv(&mut self, size: usize) -> Result<&[u8], ()> {
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// We may have received some data inside the initial SYN ("TCP Fast Open"),
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// but until the connection is fully open we refuse to dequeue any data.
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// We may have received some data inside the initial SYN, but until the connection
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// is fully open we must not dequeue any data, as it may be overwritten by e.g.
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// another (stale) SYN.
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if !self.may_recv() { return Err(()) }
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#[cfg(any(test, feature = "verbose"))]
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