posted May 20 @ 05:25 PM by Jason Kottke · gift link Interesting observation by Mitchell Hashimoto (creator of Vagrant and Ghostty ) on how a company’s or product’s choice of programming language matters less in the age of agentic programming: On the interesting side is how fungible programming languages are nowadays. Programming languages used to be LOCK IN, and they’re increasingly not so. You think the Bun rewrite in Rust is good for Rust? Bun has shown they can be in probably any language they want in roughly a week or two. Rust is expendable. It’s useful until it’s not then it can be thrown out. That’s interesting! Hashimoto is talking about this complete rewrite of Bun (a Javascript/Typescript toolkit that’s owned by Anthropic and includes “a fast JavaScript runtime designed as a drop-in replacement for Node.js”) in a completely different programming language ( Rust ) in just 6 days . 6,755 commits, branch name claude/phase-a-port, PR opened May 8th, merged May 14th. Six days.…