Macro model::linearizable

macro_rules! linearizable {
    (
        Implementation => $implementation:stmt,
        $($op:ident ($($type:ty),*) ($parm:pat in $strategy:expr) -> $ret:ty $body:block),*
    ) => { ... };
    (
        Config => $config:expr,
        Implementation => $implementation:stmt,
        $($op:ident ($($type:ty),*) ($parm:pat in $strategy:expr) -> $ret:ty $body:block),*
    ) => { ... };
}