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A comment on Using the Specification Pattern to Build a Data-Driven Rules Engine. Parent comment

Re:Using the Specification Pattern to Build a Data-Driven Ru... by NicoJuicy on Tuesday March 24, 2020 @11:21AM (#22675307)
Predicates are also related to expression trees in my opinion
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Re:Using the Specification Pattern to Build a Data-Driven Ru... by Merad on Tuesday March 24, 2020 @01:07PM (#22676408)
A predicate is really just a test that accepts an input and produces true or false. The expression only becomes necessary when you want to translate the predicate somehow (e.g. to SQL).
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