Honestly, good integration of union's (Algebraic Data Types) is a good chunk of what makes Rust such a comfy programming language for personal projects. Being a

Honestly, good integration of union's (Algebraic Data Types) is a good chunk of what makes Rust such a comfy programming language for personal projects. Being able to use a common, standard method to say "there may be a result or there may not, and if there is, here it is" is so expressive. Since the Option type is built into the language, it comes with lots of utility methods to make things even easier on me.