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