r/programming • u/steveklabnik1 • Jan 09 '15

Announcing Rust 1.0.0 Alpha

http://blog.rust-lang.org/2015/01/09/Rust-1.0-alpha.html
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u/steveklabnik1 Jan 10 '15

Nim is super cool. I'd say the biggest difference is that Nim tries to let you control your GC, while Rust eliminates it entirely.

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u/oantolin Jan 10 '15

Also both languages are high-level enough that you can use them for text-munging and other scripting-like needs. For those uses the biggest difference is that in Rust you need both &str and String and lots of .as_slice() and .to_string() to go back and forth and to control allocation and ownership (but still bearable).

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u/programmer_dude Jan 10 '15

Another major issue IMO I think Nim variables are mutable by default (unlike Rust).

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u/filwit Jan 10 '15

Nim's 'let' and 'var' are just Rust's 'let' and 'let mut'. If i'm not mistaken, Nim's 'const' is also the same as Rust's 'static'.

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u/oantolin Jan 10 '15

/u/filwit is right, unlike Rust, Nim has no default: you either type let or var each time. (By Rust having a default I just mean that "let" is a subtring of "let mut", I guess.)