Macro result_like::result_like

macro_rules! result_like {
    (pub $(($pub:ident))? $Result:ident, $Ok:ident, $Err:ident) => { ... };
    ($Result:ident, $Ok:ident, $Err:ident) => { ... };
    (pub $(($pub:ident))? $Result:ident) => { ... };
    ($Result:ident) => { ... };
}