Use workspaces to separate crates

[rust-lightning] / lightning / src / util / ser_macros.rs

diff --git a/lightning/src/util/ser_macros.rs b/lightning/src/util/ser_macros.rs
new file mode 100644 (file)
index 0000000..48e87b3
--- /dev/null
+++ b/lightning/src/util/ser_macros.rs
@@ -0,0 +1,42 @@
+macro_rules! impl_writeable {
+       ($st:ident, $len: expr, {$($field:ident),*}) => {
+               impl ::util::ser::Writeable for $st {
+                       fn write<W: ::util::ser::Writer>(&self, w: &mut W) -> Result<(), ::std::io::Error> {
+                               if $len != 0 {
+                                       w.size_hint($len);
+                               }
+                               $( self.$field.write(w)?; )*
+                               Ok(())
+                       }
+               }
+
+               impl<R: ::std::io::Read> ::util::ser::Readable<R> for $st {
+                       fn read(r: &mut R) -> Result<Self, ::ln::msgs::DecodeError> {
+                               Ok(Self {
+                                       $($field: ::util::ser::Readable::read(r)?),*
+                               })
+                       }
+               }
+       }
+}
+macro_rules! impl_writeable_len_match {
+       ($st:ident, {$({$m: pat, $l: expr}),*}, {$($field:ident),*}) => {
+               impl Writeable for $st {
+                       fn write<W: Writer>(&self, w: &mut W) -> Result<(), ::std::io::Error> {
+                               w.size_hint(match *self {
+                                       $($m => $l,)*
+                               });
+                               $( self.$field.write(w)?; )*
+                               Ok(())
+                       }
+               }
+
+               impl<R: ::std::io::Read> Readable<R> for $st {
+                       fn read(r: &mut R) -> Result<Self, DecodeError> {
+                               Ok(Self {
+                                       $($field: Readable::read(r)?),*
+                               })
+                       }
+               }
+       }
+}