Fetch version 1.0.0-RC1 Released

• by Maureen Elsberry
• •
• September 27, 2018
• •
• scala• open source• fetch• databases
• |
• 1 minute to read.

Fetch, a 47 Degrees open source project, is a library for simplifying and optimizing data such as file systems, databases, and web services for Scala and Scala.js.

This release candidate marks the start of a major overhaul of the Fetch library and the precursor to the release of version 1.0.0.

• #154 - Restores contributing authors to the project. Thanks to Fede Fernandez

• #155 - A major rewrite of Fetch’s core. Thanks to Alejandro Gomez

Changes made in the library redesign in #155 include:

• Query and FetchMonadError types deleted.
• Fetch#traverse, Fetch#sequence, Fetch#join & Fetch#collect deleted in favor of using cats typeclass ops.
• Introduction of cats-effect for the implementation and target types.
• DataSource in terms of ConcurrentEffect from cats-effect and Par from cats-par.
• DataSourceCache in terms of ConcurrentEffect.
• Fetch is now parameterised to F[_] with a ConcurrentEffect[F] and Par[F].
• Fetch#apply now doesn’t require an implicit DataSource but it must be provided explicitly.
• Fetch#run now requires a Timer[F] and ContextShift[F] from cats-effect.
• Removed Monix, Future and Twitter Future subprojects, most of them should work with cats-effect abstractions already.

We want to take a minute to give a huge shout-out to Alejandro for these changes and thanks to all of Fetch’s contributors.

You can view the full changelog here: Fetch v1.0.0-RC1 release notes

And, stay tuned for a series of technical articles on Fetch from Alejandro!