Infrastructure

A Couple Million Lines of Haskell: Production Engineering at Mercury

Mercury's multi-million-line Haskell codebase demonstrates how strong static typing eliminates entire categories of production bugs, proving functional programming viable for large-scale systems engineering.

Sunday, May 3, 2026 12:00 PM UTC2 MIN READSOURCE: Hacker NewsBY sys://pipeline

Ian Duncan shares production engineering lessons from Mercury's multi-million-line Haskell codebase, highlighting how Haskell's type system prevents entire categories of bugs and enables safer operational practices. The article launches "Haskellers from the trenches," a new blog series featuring experienced engineers discussing production expertise and technical lessons learned.

Read original at Hacker News

Functional Programmers need to take a look at Zig

Zig's comptime metaprogramming and allocator-driven memory model enable functional programming abstractions for systems work without garbage collection overhead.