dry-v has another layer of abstraction under the hood: http://solnic.eu/2016/05/30/abstractions-and-the-role-of-a-framework.html#abstractions … Validation logic is just an AST! https://github.com/dry-rb/dry-logic …https://twitter.com/backus/status/851713058221080576 …
ActiveModel seems similar but custom validators just blindly call methods on the object.
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If you need to validate X with ActiveModel and it depends on the value of Y you're basically going to have to check if Y is valid again.
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