Caml is a general-purpose, powerful, high-level programming language with a large emphasis on speed and efficiency. A dialect of the ML programming language, it supports functional, imperative, and object-oriented programming styles. Caml has been developed and distributed by INRIA, a French research institute, since 1985.
The OCaml system is the main implementation of the Caml language. It has a very strong type-checking system, offers a powerful module system, automatic memory management, first-class functions, and adds a full-fledged object-oriented layer. OCaml includes a native-code compiler supporting numerous architectures, for high performance; a bytecode compiler, for increased portability; and an interactive loop, for experimentation and rapid development. OCaml’s integrated object system allows object-oriented programming without sacrificing the benefits of functional programming, parametric polymorphism, and type inference. The language is mature, producing efficient code and comes with a large set of general purpose as well as domain-specific libraries.
OCaml is often used for teaching programming, and by large corporations. OCaml benefits from a whole range of new tools and libraries, including OPAM (package manager), optimizing compilers, and development tools such as TypeRex and Merlin.
OCaml was written in 1996 by Xavier Leroy, Jérôme Vouillon, Damien Doligez, and Didier Rémy at INRIA in France.
Here’s our recommended tutorials to learn OCaml. If you’re looking for free OCaml programming books, check here.
1. OCaml tutorials by OCaml.org
Here’s a wide variety of OCaml tutorials.
2. How to wrap C functions to OCaml by Florent Monnier
This document is a small tutorial that introduces how to call C functions from OCaml. Which is useful if you want to make a mixed C and OCaml application, if you want to call some functions you need from a C library, or to write a complete binding to a C library.
3. Tutorial: OCaml for scientific computation by Dr. Thomas Fischbacher
Tutorial: OCaml for scientific computation covers most of the OCaml features that are used in the nsim library which is used by nmag.
4. Learn OCaml in Y minutes by Daniil Baturin
OCaml is a strictly evaluated functional language with some imperative features.
5. Crash course on the OCaml ecosystem
This tutorial is intended to get you up and running quickly with OCaml.
6. Try OCaml by OCamlPro SAS
This site offers some lessons to help you get started.
All tutorials in this series:
| Free Programming Tutorials | |
|---|---|
| ABAP | Advanced Business Application Programming |
| Ada | ALGOL-like programming language, extended from Pascal and others |
| Agda | Dependently typed functional language based on intuitionistic type theory |
| Alice | Educational language with an integrated development environment |
| Arduino | Inexpensive, flexible, open source microcontroller platform |
| Assembly | As close to writing machine code without writing in pure hexadecimal |
| Awk | Versatile language designed for pattern scanning and processing |
| Bash | ‘Bourne-Again-SHell’ is both a shell and programming language |
| BASIC | Family of general-purpose, high-level programming languages |
| C | General-purpose, procedural, portable, high-level language |
| C++ | General-purpose, portable, free-form, multi-paradigm language |
| C# | Combines the power and flexibility of C++ with the simplicity of Visual Basic |
| Chapel | Parallel-programming language in development at Cray Inc. |
| Clojure | Dialect of the Lisp programming language |
| ClojureScript | Compiler for Clojure that targets JavaScript |
| COBOL | Common Business-Oriented Language |
| CoffeeScript | A very succinct programming language that transcompiles into JavaScript |
| Coq | Dependently typed language similar to Agda, Idris, F*, Lean, and others |
| Crystal | General-purpose, concurrent, multi-paradigm, object-oriented language |
| CSS | CSS (Cascading Style Sheets) specifies a web page’s appearance |
| D | General-purpose systems programming language with a C-like syntax |
| Dart | Client-optimized programming language for fast apps |
| Dylan | Multi-paradigm language, supports functional & object-oriented programming |
| ECMAScript | Best known as the language embedded in web browsers |
| Eiffel | Object-oriented language |
| Elixir | Relatively new functional language that runs on the Erlang virtual machine |
| Elm | Functional language that compiles to JavaScript |
| Emacs Lisp | A dialect of the Lisp programming language. |
| Erlang | General-purpose, concurrent, declarative, functional language |
| F# | General purpose, strongly typed, multi-paradigm language. Part of ML |
| Factor | Dynamic stack-based language |
| Forth | Imperative stack-based programming language |
| Fortran | The first high-level language, using the first compiler |
| GDScript | Godot’s built-in language for scripting and interacting with nodes |
| Go | Compiled, statically typed programming language |
| Groovy | Powerful, optionally typed and dynamic language |
| Hack | For the HipHop Virtual Machine (HHVM), created as a dialect of PHP |
| Haml | HTML Abstraction Markup Language |
| Haskell | Standardized, general-purpose, polymorphically, statically typed language |
| HTML | HyperText Markup Language |
| Icon | High-level, general-purpose language |
| Imba | Full-stack language that compiles to performant JavaScript |
| J | Array programming language based primarily on APL |
| Java | General-purpose, concurrent, class-based, object-oriented, high-level language |
| JavaScript | Interpreted, prototype-based, scripting language |
| Julia | High-level, high-performance language for technical computing |
| Kotlin | Statically typed, general-purpose programming language with type inference |
| LabVIEW | Designed to enable domain experts to build power systems quickly |
| LaTeX | Professional document preparation system and document markup language |
| Less | Backwards-compatible language extension for Cascading Style Sheets |
| Limbo | Designed for applications running distributed systems on small computers |
| Lisp | Unique features - excellent to study programming constructs |
| Logo | Dialect of Lisp that features interactivity, modularity, extensibility |
| Lua | Designed as an embeddable scripting language |
| Markdown | Plain text formatting syntax designed to be easy-to-read and easy-to-write |
| MoonScript | Dynamic scripting programmer friendly language that compiles into Lua |
| Nim | Statically typed compiled systems language with syntax resembling Python |
| Objective-C | General purpose language which is a superset of C |
| OCaml | General-purpose, powerful, high-level language |
| Octave | High-level language, primarily intended for numerical computations |
| OpenCL | Open Computing Language |
| Pascal | Imperative and procedural language designed in the late 1960s |
| Perl | High-level, general-purpose, interpreted, scripting, dynamic language |
| Pike | Interpreted, general-purpose, high-level, cross-platform, dynamic language |
| PHP | PHP has been at the helm of the web for many years |
| Pony | Pony is an actor-model, capabilities-secure, high-performance language |
| PostScript | Page description language in electronic and desktop publishing |
| Prolog | General purpose, declarative, logic programming language |
| PureScript | Small strongly, statically typed language with expressive types |
| Python | General-purpose, structured, powerful language |
| QML | Hierarchical declarative language for user interface layout with a syntax to JSON |
| R | De facto standard among statisticians and data analysts |
| Racket | Platform for programming language design and implementation |
| Raku | Member of the Perl family of programming languages |
| Ruby | General purpose, scripting, structured, flexible, fully object-oriented language |
| Rust | Ideal for systems, embedded, and other performance critical code |
| Scala | Modern, object-functional, multi-paradigm, Java-based language |
| Scheme | General-purpose, functional, language descended from Lisp and Algol |
| Scratch | Visual programming language designed for 8-16 year-old children |
| Solidity | Object-oriented, high-level language for implementing smart contracts |
| SQL | Access and manipulate data held in a relational database management system |
| Standard ML | One of the two main dialects of the ML language |
| Swift | Powerful and intuitive general-purpose programming language |
| Tcl | Dynamic language based on concepts of Lisp, C, and Unix shells |
| TypeScript | Strict syntactical superset of JavaScript, adding optional static typing |
| V | Statically typed compiled language to build maintainable software |
| Vala | Object-oriented language with a self-hosting compiler that generates C code |
| VHDL | Very High Speed Integrated Circuit Hardware Description Language |
| VimL | Powerful scripting language of the Vim editor |
| XML | Set of rules for defining semantic tags that describe the structure and meaning |