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Function prototype: Difference between revisions
→{{header|OCaml}}: added ocaml
Thundergnat (talk | contribs) m (→{{header| Haskell }}: Fix header markup) |
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proc anyargs(x: varargs[int]): int = echo "anyargs"
proc optargs(a: int, b = 10): int = echo "optargs"</lang>
=={{header|OCaml}}==
<lang ocaml>(* Usually prototype declarations are put in an interface file,
a file with .mli filename extension *)
(* A prototype declaration for a function that does not require arguments *)
val no_arg : unit -> unit
(* A prototype declaration for a function that requires two arguments *)
val two_args : int -> int -> unit
(* A prototype declaration for a function that utilizes optional arguments *)
val opt_arg : ?param:int -> unit -> unit
(* in this case we add a unit parameter in order to omit the argument,
because ocaml supports partial application *)
(* A prototype declaration for a function that utilizes named parameters *)
val named_arg : ~param1:int -> ~param2:int -> unit
(* An explanation and example of any special forms of prototyping not covered by the above *)
(* A prototype declaration for a function that requires a function argument *)
val fun_arg : (int -> int) -> unit
(* A prototype declaration for a function with polymorphic argument *)
val poly_args : 'a -> unit</lang>
=={{header|Oforth}}==
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