23 open source projects by ChrisPenner

Static site generator built on Shake configured in Haskell

Beating unix `wc` in Haskell

Yet another static site generator - non-opinionated, value-level. Less magic == easier to understand

Text lenses using PCRE regexes

Well-Typed Typing Tutor where you Type Types... in space... yup, you heard me

An extensible event-driven application framework in haskell

A smart A* search monad transformer which supports backtracking user-state!

Forward-propagating Constraint Solver monad. Good for solving Sudoku, N-Queens, etc.

Conway's game of life in 100 lines or less!

A terminal-ui log watcher written in Go using the Flux architecture

Lens interface for your filesystem

Extremely modular text editor built in Haskell

Zippers for cofree types

Comonads By Example Conference talk

A structural editor for JSON values

In goes JSON, out comes a complete Haskell model complete with instances! CLI and web interface available.

HTML overlay for quickly navigating your computer

Helpers which allow safe partial pattern matching in lambdas

An implementation of the Update Monad and a 'Free' version from https://danelahman.github.io/papers/types13postproc.pdf

Arbitrary dimension type-safe grids

Haskell Profunctor Optics experiments

Handling errors which occur deep inside lens-chains

Dead simple setup tools for running a Haskell build matrix using stack for several versions.