xcrystal alternatives and similar shards
Based on the "Examples and funny stuff" category
-
lattice-core-card-game
A demo web app for (WebSocket-based) lattice-core -
kemal-ws-react-pg-todo-app
Realtime Todo application developed with Kemal, Websockets, React, ES2015 and PostgreSQL -
kemal-heroku-example
This repository shows, how you can publish your open source apps which powered kemal framework publish as heroku app in seconds -
crystal-mysql-crud-example
Crystal MySQL CRUD example -
kemal-ws-pg-todo-app
Realtime Todo application developed with Kemal, Websockets, jQuery, ES2015 and PostgreSQL
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README
Crystal 
Exercism problems in Crystal.
The Tests
All Exercises
Test all exercises with:
$ make test-exercises
Single Exercises
Test single exercises with:
$ make test-exercise EXERCISE=exercise-name
The Test Generator
Creating a New Generator
Navigate to generator/src/generators and create a new generator file (i.e. hello_world.cr).
This file should contain 2 classes:
- An exercise generator which must inherit from the ExerciseGenerator class.
- A test case class which inherits from ExerciseTestCase.
There are two ways for the generator to get the test data.
Local: The problem-specifications repo must reside at the same level as the developer's crystal directory, and must contain a canonical-data.json file for the given exercise.
Remote: If the local problem-specifications repo doesn't exist, a request is made to GitHub to download (and cache) the test's canonical-data.json file.
Running the Generator for a Single Exercise
From within the crystal directory:
$ crystal generator/generator.cr hello-world
Or build a binary and use that:
$ make generate-exercise GENERATOR=hello-world
NOTE: A binary version of the generator is built automatically when needed for a given make target, but you may build it manually at any time by running make build-generator (or rebuild it with make clean build-generator).
Running (or Re-running) the Generator for All Exercises
This can be used for refreshing the tests when changes are made to the problem-specifications repo. Or for testing the full functionality of the test generator.
$ make generate-exercises
Testing the Generator
$ make test-generator
Cleaning up
$ make clean
Use this command to delete any transient files and build artifacts. This is potentially useful for troubleshooting purposes as it will purge any stale cached files, rebuild the generator when needed and can be combined with other make targets (e.g. make clean test).
Contributing Guide
Please see the contributing guide
Crystal logo
The Crystal logo is assumed to be owned by Manas SA. It appears to be released under version 2.0 of the Apache license, along with the Crystal codebase. It may also fall within the public domain, since the version we are using is a geometric shape. We have cropped it for use on Exercism.
*Note that all licence references and agreements mentioned in the xcrystal README section above
are relevant to that project's source code only.