Crisp
=====

Crisp is one of Lisp dialect which is based on [mal](https://github.com/kanaka/mal) and implemented with [Crystal](https://github.com/manastech/crystal).
This project is a toy box for my dynamic language ideas.

<!-- ScreenShot -->

## So Many Tasks

- [ ] Refactorings
  - [ ] Make `is_a?` guards more elegant
  - [ ] Import test cases from Mal
  - [ ] Add CI
  - [ ] More OOP (`evaluator`)
  - [ ] Use standard `readline` implementation
  - [ ] Better lexer and parser
  - [ ] Add examples
- [ ] Add more language features using Crystal's semantics (e.g. union type)
  - ...

## Installation

1. Install `crystal` command
2. `$ crystal run /path/to/Crisp/src/crisp.cr`

## Development Environment

- OS X
- Crystal 0.7.1

## License

Distributed under [the MIT License](http://opensource.org/licenses/MIT).

```
Copyright (c) 2015 rhysd
```