A Crystal web framework that makes building applications fast, simple, and enjoyable. Get started with quick prototyping, less bugs, and blazing fast performance.
Well, I guess have something to share with you! https://github.com/amberframework/amber
Crystal ORM using ActiveRecord pattern with flexible query DSL
For a more concrete example, I don't think you can have ActiveRecord-like classes which have their fields defined by fetching actual database schema (without defining the schema upfront, like Jennifer does).
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A fast, powerful type checker designed for Ruby
If what you're looking for is typed Ruby, check out Sorbet https://sorbet.org/. It can be integrated (piecemeal) into existing Rails projects.
Rails 6.1 adds query method associated to check for the association presence
2 projects | reddit.com/r/rails | 15 Feb 2021
Temporality/time-travelling in DB with ActiveRecord?
3 projects | reddit.com/r/rubyonrails | 16 May 2022
1 project | reddit.com/r/rails | 13 May 2022
[BADGE.AR] Create NFTs from your Achievements
5 projects | dev.to | 11 May 2022
Rails attributes: an essential API you can probably ignore
1 project | reddit.com/r/rails | 10 May 2022