I'd certainly agree that the initial learning curve of Rust can be substantial, wrapping your head around things like the borrow checker. It was for me. But I'

I'd certainly agree that the initial learning curve of Rust can be substantial, wrapping your head around things like the borrow checker. It was for me. But I'd never put it in the same tier as a completely different programming model like functional programming. It's still fundamentally a procedural language. Coming from C, I found Rust simpler than idiomatic modern C++, for instance.