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OCaml (/ oʊ ˈ k æ m əl / oh-KAM-əl, formerly Objective Caml) is a general-purpose, high-level, multi-paradigm programming language which extends the Caml dialect of ML with object-oriented features. OCaml was created in 1996 by Xavier Leroy, Jérôme Vouillon, [5] Damien Doligez, Didier Rémy, [6] Ascánder Suárez, and others.
Haskell: Application No No Yes No Yes No Lazy evaluation Yes 2010, Haskell 2010 [30] Haxe: Application, general, web Yes Yes Yes No Yes Yes No HyperTalk: Application, RAD, general Yes No No Yes No Yes Weakly typed Unknown Io: Application, host-driven scripting Yes Yes No No No No No IPL: General No No Yes No No No Unknown ISLISP: General ...
The code above uses OCaml's default hash function Hashtbl.hash, which is defined automatically for all types. To use a modified hash function, use the functor interface Hashtbl.Make to create a module, such as with Map. Finally, functional maps (represented as immutable balanced binary trees):
Regular languages are a category of languages (sometimes termed Chomsky Type 3) which can be matched by a state machine (more specifically, by a deterministic finite automaton or a nondeterministic finite automaton) constructed from a regular expression.
OCaml Caml (originally an acronym for Categorical Abstract Machine Language ) is a multi-paradigm , general-purpose , high-level , functional programming language which is a dialect of the ML programming language family.
ML (Meta Language) is a general-purpose, high-level, functional programming language.It is known for its use of the polymorphic Hindley–Milner type system, which automatically assigns the data types of most expressions without requiring explicit type annotations (type inference), and ensures type safety; there is a formal proof that a well-typed ML program does not cause runtime type errors. [1]
They are currently implemented in the Glasgow Haskell Compiler (GHC) as a non-standard extension, used by, among others, Pugs and Darcs. OCaml supports GADT natively since version 4.00. [4] The GHC implementation provides support for existentially quantified type parameters and for local constraints.