Macro server_fun

macro_rules! server_fun {
    ($($ty:ty),* => $ret:ty) => { ... };
    (@URI$(,$ty:ty)* => $ret:ty) => { ... };
    (@DOCURI$(,$ty:ty)* => $ret:ty) => { ... };
    (@SYMURI$(,$ty:ty)* => $ret:ty) => { ... };
}

Available on crate features hydrate or ssr only.