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Using fp-ts for Functional Programming in TypeScript

Combining Currying and Composition

Learn how to use currying and composition together for functions that take multiple arguments.

We'll cover the following...

Function with one parameter value

Composing is easy when we have a scenario like this:

  • Function ONE accepts a parameter of type A and returns a value of type B.
  • Function TWO accepts a parameter of type B and returns a value of type C.
  • Function THREE accepts a parameter of type C and returns a value of type D.

Note how function TWO needs a value that function ONE can provide, while function THREE needs a value produced by function TWO. This means that these functions can be ...