http://arrow-kt.io/
https://tinycards.duolingo.com/collections/W1aS1cV/arrow-kt-functional-programming-for-kotlin
https://arrow-kt.io/learn/quickstart/libs/

https://github.com/arrow-kt/arrow
https://github.com/arrow-kt/arrow-meta

http://arrow-kt.io/docs/
http://arrow-kt.io/docs/patterns/glossary/
http://arrow-kt.io/docs/datatypes/option/
http://arrow-kt.io/docs/typeclasses/functor/
http://arrow-kt.io/docs/effects/io/
http://arrow-kt.io/docs/optics/iso/

http://arrow-kt.io/docs/quickstart/projects/

http://arrow-kt.io/docs/quickstart/blogs/

idea plugin
https://plugins.jetbrains.com/plugin/24550-arrow