Originally published at the Telia Engineering BlogA month ago I have started learning Rust and would like to share my impressions, the good things I have appreciated, and the things I have struggled with. Why Rust, do you ask? Primarily to challenge myself, to leave the land of managed runtimes (Clojure, JavaScript) and to get as close to the metal as you can without assembly. Knowing a systems (&more) programming language is handy, for example for writing fast serverless functions and command-line utilities. Why not Go? For the same reasons why Clojure: it is more innovative, more mind-bending. Go is optimized, I understand, for approachability (and performance, of course) and is popular for writing web services - but it failed to capture the C/C developers at Google it was aimed at, I hear. Rust's focus is on performance and safety, the latter forcing it to take a really innovative approach to the issue of memory management. And some experienced C/C developers swear by it. So Rust already seemed more attractive to me and reading Bryan Cantrill’s Falling in love with Rust and Sylvain Wallez' Go: the Good, the Bad and the Ugly sealed the deal. From the former:Rust feels like a distillation of the best work that came before it.Platforms reflect their values, and I daresay the propagation operator is an embodiment of Rust’s: balancing elegance and expressiveness with robustness and performance.
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