This is probably better answered by how Rust handles errors generally: https://doc.rust-lang.org/book/error-handling.html https://doc.rust-lang.org/book/error-

This is probably better answered by how Rust handles errors generally: https://doc.rust-lang.org/book/error-handling.html https://doc.rust-lang.org/book/error-handling.html Suffice it to say, similar magic tricks have already been at work to make handling errors not soak up a lot of space, and it'd work well with something like this, I think.