OCaml is a multi-paradigm programming language that emphasizes functional, imperative, and object-oriented styles. It provides static type-checking, type inference, and pattern matching with a focus on safety and expressivity.
functional, imperative, object-oriented, modular
compiler, systems programming, formal verification, financial systems
first-class functions, closures, pattern matching, algebraic data types, type inference, modules, tail-call optimization
static system, structural typing, strong typing, full inference, compile-time checking, conservative type coercion, optional type annotations
compiled, interpreted
Rust, Opa, Reason, Frenetic, ReScript, Gleam, Haxe, Hack, Elm, Scala, Boomerang, ATS, F*, Nix, F#
ml, eliom, eliomi, ml4, mli, mll, mly
| Status | active |
| Type | programming |
| Created | 1996 |
| Designed by |
Xavier Leroy Jérôme Vouillon Damien Doligez Didier Rémy Ascánder Suárez |
| Developed by |
INRIA Institut National de Recherche en Informatique et en Automatique |
| PyPL Index | N/A |
| TIOBE Index | #51-100 |
| GitHub rank | #58 |