https://github.com/purescript-contrib/purescript-matryoshka

Generalized folds, unfolds, and traversals for fixed point data structures
https://github.com/purescript-contrib/purescript-matryoshka

Last synced: 3 months ago
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Generalized folds, unfolds, and traversals for fixed point data structures

• Host: GitHub
• URL: https://github.com/purescript-contrib/purescript-matryoshka
• Owner: purescript-contrib
• License: apache-2.0
• Created: 2016-12-20T19:22:24.000Z (over 7 years ago)
• Default Branch: main
• Last Pushed: 2022-04-27T21:16:39.000Z (about 2 years ago)
• Last Synced: 2024-04-08T21:16:55.642Z (3 months ago)
• Language: PureScript
• Homepage:
• Size: 52.7 KB
• Stars: 59
• Watchers: 14
• Forks: 14
• Open Issues: 5
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md
  • Contributing: CONTRIBUTING.md
  • License: LICENSE

Lists

• awesome-recursion-schemes - purescript-matryoshka - (Implementations / Hylomorphisms in the Wild)

README

        
# Matryoshka

[![CI](https://github.com/purescript-contrib/purescript-matryoshka/workflows/CI/badge.svg?branch=main)](https://github.com/purescript-contrib/purescript-matryoshka/actions?query=workflow%3ACI+branch%3Amain)

[![Release](https://img.shields.io/github/release/purescript-contrib/purescript-matryoshka.svg)](https://github.com/purescript-contrib/purescript-matryoshka/releases)

[![Pursuit](https://pursuit.purescript.org/packages/purescript-matryoshka/badge)](https://pursuit.purescript.org/packages/purescript-matryoshka)

[![Maintainer: garyb](https://img.shields.io/badge/maintainer-garyb-teal.svg)](https://github.com/garyb)

Generalized folds, unfolds, and traversals for fixed point data structures in PureScript. (A port of [Matryoshka](https://github.com/precog/matryoshka)).

## Installation

Install `matryoshka` with [Spago](https://github.com/purescript/spago):

```sh

spago install matryoshka

```

## Quick start

The quick start hasn't been written yet (contributions are welcome!). The quick start covers a common, minimal use case for the library, whereas longer examples and tutorials are kept in the [docs directory](./docs).

## Documentation

`matryoshka` documentation is stored in a few places:

1. Module documentation is [published on Pursuit](https://pursuit.purescript.org/packages/purescript-matryoshka).

2. Written documentation is kept in the [docs directory](./docs).

3. Usage examples can be found in [the test suite](./test).

If you get stuck, there are several ways to get help:

- [Open an issue](https://github.com/purescript-contrib/purescript-matryoshka/issues) if you have encountered a bug or problem.

- Ask general questions on the [PureScript Discourse](https://discourse.purescript.org) forum or the [PureScript Discord](https://purescript.org/chat) chat.

## Contributing

You can contribute to `matryoshka` in several ways:

1. If you encounter a problem or have a question, please [open an issue](https://github.com/purescript-contrib/purescript-matryoshka/issues). We'll do our best to work with you to resolve or answer it.

2. If you would like to contribute code, tests, or documentation, please [read the contributor guide](./CONTRIBUTING.md). It's a short, helpful introduction to contributing to this library, including development instructions.

3. If you have written a library, tutorial, guide, or other resource based on this package, please share it on the [PureScript Discourse](https://discourse.purescript.org)! Writing libraries and learning resources are a great way to help this library succeed.