Deletion of Purely functional

Comment: to Referential transparency (P.S. or to Pure function) per . While there may be some nuances making them separate concepts, developers interested in the subject will be best served by reading about both concepts in the same page, as referential transparency is the primary benefit of using purely functional languages; and there's simply not enough context in this stub to properly explain the concept
Stance: merge
Cited policy: Wikipedia:Notability (WP:PAGEDECIDE)