They actually just merged a very important PR: https://github.com/Microsoft/TypeScript/pull/30215 https://github.com/Microsoft/TypeScript/pull/30215 It adds in

They actually just merged a very important PR: https://github.com/Microsoft/TypeScript/pull/30215 https://github.com/Microsoft/TypeScript/pull/30215 It adds inference for higher order functions, and, from a bit of playing with the Typescript nightly build, ramda works much better. Once 3.4 comes out it's going to make life a lot easier for ramda/functional/clojure-like programming