Great blog post.. First time I've been sold on Rust, sounds like it's got some g... | Hacker News

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		fouc on May 15, 2016 \| parent \| context \| favorite \| on: Helix: Rust and Ruby, Without the Glue Great blog post.. First time I've been sold on Rust, sounds like it's got some great features. Maybe I just had to hear about it from a Ruby dev. :) Typos in the article: "slimed down", "you code could" Is "needle_length = needle.length" actually necessary? I thought repeated calls would be zero cost, but I'm guessing I'm wrong.

kibwen on May 15, 2016 [–]

If Ruby is anything like Python, nonlocal name lookups in loops can indeed be performance bottlenecks.

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