Msam85 wrote:
> HI everyone.
>
> I'm new in Ocaml language, and I had tried to understand the following
> function, but Im not able.
>
> let op = function
> p->fst p (snd p);;
>
> If I put it at the top level it shows me :
> val op : ('a->'b)*'a ->'b = <fun>
>
> I think that p must be like ( , ) but if i trie to write op((+),3);;
> It shows me -: int -> int = <fun>
>
> Can somebody tell me how this function works and what does it do ?
I know it's summer and all, but is this for a class? The function is
pretty contrived. Where did you find it?
I'll say that you're pretty close to figuring it out. Try this:
# let new_function = op ((+), 3);;
val new_function : int -> int = <fun>
# new_function 5;;
- : int = 8
