It's very easy and simple to write Rust in Rust. Compiler is your friend and helps you all the time. It's possible to write C++ or Java or Haskell in Rust but

It's very easy and simple to write Rust in Rust. Compiler is your friend and helps you all the time. It's possible to write C++ or Java or Haskell in Rust but then compiler becomes your enemy and you fight it at every turn.