Arrow v0.8.1 released
by Raúl Raja Martínez
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- November 15, 2018
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- kotlin• functional• arrow• kategory• funktionale
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- 2 minutes to read.

Announcing the release of Arrow v0.8.1. Arrow is an open source library that’s packed with data types and type classes that empower pure functional programming in Kotlin.
Noteworthy changes in 0.8.1 include:
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Update kotlinx.coroutines to 1.0.0 #1100 thanks to Paco Estevez.
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FreeC implementation #1048 thanks to Simon Vergauwen.
Other cool editions to the Arrow site this version include:
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A study resource from Ersin Ertan. He created multiple decks on tinycards for learning datatypes, type classes, and other helpful documentation information.
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A blog post and game from Stojan Anastasov called Functional Hangman in Kotlin with Arrow.
For a full list of changes and features in 0.8.1 please visit the official changelog.
We would like to give special thanks to the following contributors for this version (in no particular order):
- Paco Estevez
- Leandro Borges Ferreira
- Raul Raja
- Adrián Ramirez
- Simon Vergauwen
- Ersin Ertan
- Babis
- Alberto Ballano
For a full list of the contributors who have helped Arrow get to where it is today, please check out: Arrow Contributors. We’re always looking for additional help, please view the guidelines for contributing and take a look at the help-wanted issues. All levels are welcome and we offer 1:1 mentoring through Arrow’s Slack and Gitter channels.
If you would like to support Arrow, but don’t have the time to invest in contributing, consider picking up some Arrow swag! All proceeds are invested back into advancing the library.
Resources:
- Arrow on Twitter
- Arrow on Gitter
- #Arrow on Kotlin Slack
- Functional Programming in Kotlin with Arrow web series
The active development of Arrow is proudly sponsored by 47 Degrees, a Functional Programming consultancy with a focus on the Scala and Kotlin Programming languages.