This week I finished my contract for Seamly1, where I spent 7 months developing a SaaS messaging platform for customer service in Elixir. The project was incredibly interesting, so in our last conversation I asked if they would mind me sharing a “war story” with the world. They gladly agreed, so here goes an account of my dealings with unicode, performance tuning and Rust-based NIFs. Enjoy! 1 - The problem From a pure technical point of view, we needed a way to split strings in chunks up ...
