How do you compose functions in F#? – F# Fundamentals Course

One approach is to use the composition operator >>. It lets you compose two functions into one given that the output of function A matches the input of function B. Note that the argument becomes implicit when using the operator (see line 13).

Function Composition using the composition operator in F#

Code Snippet

let addOne number = number + 1
let print number = printfn "%i" number
let addOneThenPrintPiped number =
    number 
    |> addOne
    |> print
let addOneThenPrintComposed = addOne >> print