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
This retard doesn't know what "upstream" means, or "libraries" for that matter. Probably thinks that computer programs just huge monolithic pieces of binary.