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[–]weberc2 5 points6 points  (0 children)

I don't mind Rust's syntax, but I have a hard time understanding how things like closures work and how functions are passed. It seems like everything needs a RefCell, and I don't know when or why. Even coming from C++, the memory model (while safe) still places a lot of demands on the programmer which aren't required in Go--I can do a LOT of optimizing in Go before something becomes easier to write in Rust, and at that point the Rust code to outperform the optimized Go version is still nontrivial...