Domain-Specific Language(DSL) is a useful tool for communication between programmers and businesses. One of the greatest present from Ruby to programmers is to allow them to develop DSL easily. Ruby has a variety of functionalities for DSL making.

I started to maintain Rake last year. I found interesting techniques in Rake and felt different things on other popular DSLs like rspec examples, rails routes, and thor tasks etc. And I found patterns of code for DSL with Ruby.

I’m going to try to improve Rake 12 using these patterns. So I will describe these patterns of code for DSL with Ruby and talk on the future of Rake 12.