Neil Mitchell's Blog (Haskell etc)

Summary: I like mine. I've worn a watch since I was 10, starting with a Casio F-91W , replacing it with an identical model about seven t...

Summary: I plan to license all future packages under the "BSD-3-Clause OR Apache-2.0" license. A few weeks ago I calculated that t...

Summary: How we went about writing a build systems comparison paper, how we learnt what we learnt, and why the end result surprised us. A gl...

Summary: I no longer develop Bake, my continuous integration tool. In 2014 I started a new project of a continuous integration system, name...

Summary: I made some t-shirts. For Christmas my brother-in-law got me the classic "Don't Fear the Monads" t-shirt, which co...

Summary: I've just released ghcid-0.7, which provides a much better user experience, including colors. Ghcid is now over three years ol...

Summary: I hacked Cabal so I could spot where I was missing package lower bounds. The approach has lots of limitations, but I did find one m...

Summary: The safe library now provides error messages with short and informative stack traces on errors. The Haskell base library contain...

Summary: All my domains are now on HTTPS. In this post I describe how I did it. It's quite clear everyone should be moving their domains...

Summary: For certain hints HLint needs to determine if a Haskell expression is atomic. I wrote a generic method to generate expressions and ...

Haskell is a great language, but debugging Haskell is undoubtedly a weak spot. To help with that problem, I've just released the debug ...

Summary: memchr is faster, but the obvious implement seems to beat the builtin versions. There are two related C functions for finding the n...

Summary: If you create a C function pointer from a Haskell function with "wrapper", and it throws an exception, bad things happen....

Summary: New versions of Ghcid and the VS Code extension work even better together. I've just released Ghcid v0.6.8 and the associated ...

Summary: I added a degenerate foldr to map rule in the new version of HLint, here I describe how it works. I've just released HLint 2.0....

Summary: I've just released shake v0.16. A lot has changed, but it's probably only visible if you have defined your own rules or ora...

Summary: Using static pointers you can perform binary serialisation of existentials. Many moons ago I asked how to write a Binary instance...

Summary: There's now a Ghcid VS Code addin that gives you red squiggles. I've been using Ghcid for about 3 years, and VS Code for ...

I'm talking about "Static Analysis in Haskell" at HaskellX Bytes next Tuesday (11th July), in London UK. Registration is free...

Most projects accumulate code over time. To combat that, I've written Weeder which detects unused Haskell exports, allowing dead code t...