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Clean up dispatch_socket!() syntax 

This modified syntax is meant to more closely resemble standard Rust.
This commit is contained in:
Alex Crawford 2018-01-07 20:52:28 -08:00 committed by whitequark
parent 3e96551004
commit 066d42c0e0
1 changed files with 12 additions and 6 deletions
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18
src/socket/mod.rs
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@ -79,7 +79,13 @@ pub enum Socket<'a, 'b: 'a> {
}
macro_rules! dispatch_socket {
($self_:expr, |$socket:ident [$( $mut_:tt )*]| $code:expr) => ({
($self_:expr, |$socket:ident| $code:expr) => {
dispatch_socket!(@inner $self_, |$socket| $code);
};
(mut $self_:expr, |$socket:ident| $code:expr) => {
dispatch_socket!(@inner mut $self_, |$socket| $code);
};
(@inner $( $mut_:ident )* $self_:expr, |$socket:ident| $code:expr) => {
match $self_ {
#[cfg(feature = "socket-raw")]
&$( $mut_ )* Socket::Raw(ref $( $mut_ )* $socket) => $code,
@ -91,7 +97,7 @@ macro_rules! dispatch_socket {
&$( $mut_ )* Socket::Tcp(ref $( $mut_ )* $socket) => $code,
&$( $mut_ )* Socket::__Nonexhaustive(_) => unreachable!()
}
})
};
}
impl<'a, 'b> Socket<'a, 'b> {
@ -102,21 +108,21 @@ impl<'a, 'b> Socket<'a, 'b> {
}
pub(crate) fn meta(&self) -> &SocketMeta {
dispatch_socket!(self, |socket []| &socket.meta)
dispatch_socket!(self, |socket| &socket.meta)
}
pub(crate) fn meta_mut(&mut self) -> &mut SocketMeta {
dispatch_socket!(self, |socket [mut]| &mut socket.meta)
dispatch_socket!(mut self, |socket| &mut socket.meta)
}
pub(crate) fn poll_at(&self) -> Option<u64> {
dispatch_socket!(self, |socket []| socket.poll_at())
dispatch_socket!(self, |socket| socket.poll_at())
}
}
impl<'a, 'b> SocketSession for Socket<'a, 'b> {
fn finish(&mut self) {
dispatch_socket!(self, |socket [mut]| socket.finish())
dispatch_socket!(mut self, |socket| socket.finish())
}
}