Discover gelisam/contravariant-case Open Source project

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Created over 6 years ago
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An API for Divisible and Decidable which looks like pattern-matching.

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Comparing many FRP implementations by reimplementing the same toy app in each.

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git-slides

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category-syntax

do-notation for Category and "Arrow without arr"

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typelevel-rewrite-rules

rewrite rules for type-level equalities

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linear-examples

Example uses of linear types

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conway

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hyzzy

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ludum-dare-31

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magic-typelevel-elem

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cabal-rangefinder

A tool to fill in the version ranges in a cabal file.

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mastering-haskell

The slides for my Packt course, "Mastering Haskell".

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commutative

Using Haskell's type system to guarantee commutativity.

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typechecker-combinators

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laughable

Clowns to the left of me, jokers to the right

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deploy-hint

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surjective

An output coverage checker

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giggles-is-you

A reimplementation of Baba is You in Haskell, for our weekly haskell-beginners presentations.

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strongly-typed-bound

My version of Kmett's "strongly typed bound for acowley" snippet.

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circular-sig

a twelf-like type-checker supporting recursive signatures

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objc2java

Convert pure ObjectiveC code to pure Java code, libraries be damned.

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ludum-dare-35

The theme for LD35 was: "shapeshift"

Elm

nominalize

Generate types using type-generic programming, retaining control over the names of the constructors and the fields.

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image-watcher

Display an image and update it when the file changes

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ludum-dare-34

The themes for LD34 were: "two button controls" and "growing"

JavaScript

apecs-hint-demo

demonstrating how to use hint to dynamically modify the game world of an apecs-based game

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slides

A place to host my git-slides presentations

stm-variants

The STM API we know and love, but useable in more circumstances

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acme-tiny-rules

a parody of Tiny Glade with inference rules instead of castles

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dot-utils

A set of small command-line tools for transforming GraphViz dot-files

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k-playground

for implementing toy languages using the K Framework

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acme-circular-containers

Spineless containers which are fast to read but inefficient to update

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jira-dependencies

from JIRA's .csv export to graphviz's dot format

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tarjan

an agda implementation of Tarjan's strongly connected components algorithm

Agda

chopt-test-task

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worldly

based on Conor McBride's "Worldly Type Systems" talk

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ludum-dare-44

The theme for LD44 was "Your life is currency"

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agda-playground

a series of ambitious experiments in the functional language / proof assistant Agda.

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premonoidal

Agda encoding of premonoidal categories

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submake

Use git to replay part of a bash pipeline.

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directed-graph-ui

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rerec

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hs-promote

C++-style type promotion for Haskell's numeric hierarchy

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hint-demo

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trie-based-frp

An implementation of higher-order FRP based on shared tries instead of unsafePerformIO.

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glut-events

For writing GLUT's main loop in the style of Haskell's main function.

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reactive-banana-anti-tutorial

companion code for my blog post

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queues

Compare the performance of a few Haskell queue implementations.

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relocation-bug

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raml

ludum-dare-42

The theme for LD42 was "Running out of Space"

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adicity

A DSL in which composition and application are unified.

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stack-bug

A demonstration of a bug which doesn't fit in a gist because it requires directories.

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free-premonoidal

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existentials

A type-level DSL for placing existential constraints on some arguments of a type constructor

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haskell-code-explorer-bug

a minimal repro

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croportunity-cost

A game about clicking and not clicking on plants.

Elm

ludum-dare-43

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timesheet

Simple text-based time tracking

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pure-framework-chat

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tic-tac-top

The AI for a tiny board game I invented.

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face-down

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install-before-test

How to configure project.cabal so that tests are run after the install.

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memento

Write a Virtual DOM for anything!

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dotfiles

My default setup, including config files and shell scripts.

Python

gif-browser

a tiny application for browsing through the frames of an animated gif.

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lens-syntax

Pointful syntax for optic compositions

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gelisam/contravariant-case

gelisam

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