multiple parameters type

Posted by romerun on Stack Overflow See other posts from Stack Overflow or by romerun
Published on 2010-05-25T03:37:26Z Indexed on 2010/05/25 4:11 UTC
Read the original article Hit count: 256

Filed under:

ocaml

I'm trying to write something like this:

type 'a 'b xxx = {aaa: 'a: bbb: 'b: ccc: int};;

It does not compile. Is it just syntax error, or they don't allow multiple paramters on type ? Then why ?

Related posts about ocaml

F# and OCaml

as seen on Stack Overflow - Search for 'Stack Overflow'
I hear that F# is derived from OCaml. How true is this statement? That is to say, are the resources available for learning OCaml useful to someone who wants to learn F#? What are the major differences between the two languages (aside from the fact that F# is .NET)? >>> More
Higher-order type constructors and functors in Ocaml

as seen on Stack Overflow - Search for 'Stack Overflow'
Can the following polymorphic functions let id x = x;; let compose f g x = f (g x);; let rec fix f = f (fix f);; (*laziness aside*) be written for types/type constructors or modules/functors? I tried type 'x id = Id of 'x;; type 'f 'g 'x compose = Compose of ('f ('g 'x));; type 'f fix = Fix… >>> More
Good projects to learn OCaml and F#

as seen on Stack Overflow - Search for 'Stack Overflow'
After learning the basic syntax, reading some non-trivial code is a fast way to learn a language. We can also learn how to design a library/software during reading others' code. I have following lists. A Chess program in OCaml by Tomek Czajka. Hal Daumé has written several machine learning libraries… >>> More
OCaml beginner needs help: What is wrong?

as seen on Stack Overflow - Search for 'Stack Overflow'
Code: let rec get_val (x, n) = match x with [] -> -1 | if (n=0) then (h::_) -> h else (_::t) -> get_val(t, n-1) ;; Error message: Characters 55-57: | if (n=0) then (h::_) - h ^^ Error: Syntax error >>> More
Tail-recursive merge sort in OCaml

as seen on Stack Overflow - Search for 'Stack Overflow'
Hello world! I’m trying to implement a tail-recursive list-sorting function in OCaml, and I’ve come up with the following code: let tailrec_merge_sort l = let split l = let rec _split source left right = match source with | [] -> (left, right) | head :: tail ->… >>> More

Developer IT

multiple parameters type - Developer IT

multiple parameters type

ocaml

Related posts about ocaml

F# and OCaml

Higher-order type constructors and functors in Ocaml

Good projects to learn OCaml and F#

OCaml beginner needs help: What is wrong?

Tail-recursive merge sort in OCaml

Categories cloud