The official OCaml tutorials (chapters 1 to 6 of the manual), written by the creators of the language, are the best place to start. They form a complete introduction to programming in OCaml, including the module system, objects, polymorphism, etc.
<section class="span6 condensed">
<h2 class="ruled">The OCaml API</h2>
<p>This is the place you'll end up most often! You'll find the
documentation for all modules that ship with any OCaml
distribution. These modules form what is called
the <a id="stdlib" href="/manual/stdlib.html">Standard
Library</a>. In addition, a special
module <code id="stdlib_name">Stdlib</code> contains
the <a id="corref" href="/manual/core.html">core
library</a>, and is always open.
<section class="span6 condensed">
<h2 class="ruled">The Tools</h2>
<p>
Many <a id="toolref"
href="/manual/index.html#sec286">tools</a>
are bundled with the OCaml language. Among them, the REPL (or
`toplevel'), the documentation generator, lexers, the
debugger, profiling tools, etc.
</p>
<p class="doc-link-wrapper">
<a id="toolref_b"
href="/manual/index.html#sec286" class="btn btn-default">
OCaml Tools</a>
</p>
</section>
<section class="span6 condensed">
<h2 class="ruled">The Language Extensions</h2>
<p>Don't forget to regularly check the
<a id="extref"
href="/manual/extn.html">Language Extensions</a>,
they will keep you up-to-date with useful new OCaml idioms
and constructions.<br>
</p>
<p class="doc-link-wrapper">
<a id="extref_b"
href="/manual/extn.html" class="btn btn-default" >
OCaml Extensions</a>
</p>
</section>
<section class="span6 condensed">
<h2 class="ruled">The OCaml Manual</h2>
<p>The complete documentation is bundled as a
large <a id="manual" href="/manual/index.html">
OCaml Manual</a>. This manual is also available in
<a id="refman-pdf"
href="/releases/4.12/ocaml-4.12-refman.pdf">PDF</a>,
<a id="refman-txt"
href="/releases/4.12/ocaml-4.12-refman.txt">plain text</a>,
as a
<a id="refman-html"
href="/releases/4.12/ocaml-4.12-refman-html.tar.gz">bundle of
HTML files</a>, and as a
<a id="refman-info"
href="/releases/4.12/ocaml-4.12-refman.info.tar.gz">bundle of
Emacs Info files</a>.
</p>
<p class="doc-link-wrapper">
<a id="manual"
href="/manual/index.html" class="btn btn-default" >
OCaml Manual</a>
</p
</section>
<section class="span6 condensed">
<h2 class="ruled">Other docs</h2>
<div class="row">
<a href="license.html" class="span3 documentation-highlight">
<img src="/img/license.svg" alt="" class="svg">
<img src="/img/license.png" alt="" class="png">
OCaml License
</a>
<a href="cheat_sheets.html"
class="span3 documentation-highlight">
<img src="/img/cheat.svg" alt="" class="svg" />
<img src="/img/cheat.png" alt="" class="png" />
Cheat Sheets
</a>
</div>
</section>
OPAM is the source-based package manager for OCaml. It allows you to install OCaml and packages. See the installation instructions. and the OPAM documentation.
The list of OPAM packages has links to their homepage and documentation. The distribution and API documentation of the packages you install locally with OPAM can be accessed via odig.
See more books / See more papers / Read Real World OCaml online
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