Rust's char::to_uppercase returns an iterator to cover these sorts of shenanigans : https://doc.rust-lang.org/stable/std/primitive.char.html#method.to_uppercas

Rust's char::to_uppercase returns an iterator to cover these sorts of shenanigans : https://doc.rust-lang.org/stable/std/primitive.char.html#method.to_uppercase https://doc.rust-lang.org/stable/std/primitive.char.html#met...