Ash.Filter.Predicate.simplify
You're seeing just the callback
simplify
, go back to Ash.Filter.Predicate module for more information.
Specs
Simplify to a more primitive statement.
For example, x in [1, 2]
simplifies to x == 1 or x == 2
.
Simplifying to filter expressions that already have comparisons
lets you avoid writing that logic for a given predicate.