Domain-Specific Languages - Combinators - Function combinators - Arity extension
Software Design for Flexibility: How to Avoid Programming Yourself into a Corner (English Edition)(Chris Hanson(著)、Gerald Jay Sussman(著)、The MIT Press)のChapter 2(Domain-Specific Languages)、2.1(Combinators)、2.1.1(Function combinators)、Arity、Exercise 2.2: Arity extensionの解答を求めてみる。