Macro tox_binary_io::unpack

macro_rules! unpack {
    ($variable:expr, $variant:path, $name:ident) => { ... };
    ($variable:expr, $variant:path) => { ... };
    ($variable:expr, $variant:path [ $($inner:ident),* ]) => { ... };
    ($variable:expr, $variant:path { $($inner:ident),* }) => { ... };
}

Extract inner content of enums.