/// Duplicates the provided transformer for all match cases. Useful when types are conflicting but the transformer would work on all of them.
#[macro_export]
macro_rules! duplicative_match {
    (($subject:expr) { $($pat:pat => $result:expr),+ }, $transformed:ident => $transformer:expr) => {
        match $subject {
            $($pat => {
                let $transformed = $result;
                $transformer
            }),+
        }
    };
}