Object Algebras

Namely, in terms of GoF design patterns ExpAlg<T> is an interface of an abstract factory for creating expressions.

— https://oleksandrmanzyuk.wordpress.com/2014/06/18/from-object-algebras-to-finally-tagless-interpreters-2/

>>23
If one were to listen to you, then separating source code into many files is "poor integration" and "bloaty inefficiency" too, LOL.