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Last updated : Oct 28, 2020
Not on the current edition
This blip is not on the current edition of the Radar. If it was on one of the last few editions it is likely that it is still relevant. If the blip is older it might no longer be relevant and our assessment might be different today. Unfortunately, we simply don't have the bandwidth to continuously review blips from previous editions of the Radar Understand more
Oct 2020
Adopt ? We feel strongly that the industry should be adopting these items. We use them when appropriate on our projects.

Arrow is promoted as the functional companion for Kotlin's standard library. Indeed, the package of ready-to-use higher-level abstractions delivered by Arrow has proven so useful that our teams now consider Arrow a sensible default when working with Kotlin. Recently, in preparation for the 1.0 release, the Arrow team introduced several changes, including the addition of new modules but also some deprecations and removals.

Nov 2019
Trial ? Worth pursuing. It is important to understand how to build up this capability. Enterprises should try this technology on a project that can handle the risk.

Arrow is a functional programming library for Kotlin, created by merging two existing popular libraries (kategory and funKTionale). While Kotlin provides building blocks for functional programming, Arrow delivers a package of ready-to-use higher-level abstractions for application developers. It provides data types, type classes, effects, optics and other functional programming patterns as well as integrations with popular libraries. Our initial positive impressions of Arrow were confirmed when using it to build applications that are now in production.

Apr 2019
Assess ? Worth exploring with the goal of understanding how it will affect your enterprise.

Arrow is a functional programming library for Kotlin, created by merging two existing popular libraries (kategory and funKTionale). While Kotlin provides building blocks for functional programming, Arrow delivers a package of ready-to-use higher-level abstractions for application developers. It provides data types, type classes, effects, optics and other functional programming patterns as well as integrations with popular libraries. With Arrow, existing libraries are unified, which should go a long way to avoid fractured communities in this space.

Published : Apr 24, 2019
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