Will OCaml convert multi-argument function to currying or the other way around?

Question

When I was learning OCaml essentials, I was told that every function in OCaml is actually a function with only one parameter. A multi-argument function is actually a functio

Answer 1

Both case 1 and case 2 are curried functions. Here is the non-curried version:

let plus (x, y) = x + y