Macro test_tube_x::fn_execute

macro_rules! fn_execute {
    (pub $name:ident: $req:ty[$type_url:expr] => $res:ty) => { ... };
    (pub $name:ident: $req:ty => $res:ty) => { ... };
    ($name:ident: $req:ty[$type_url:expr] => $res:ty) => { ... };
    ($name:ident: $req:ty => $res:ty) => { ... };
}