.. _modules:

Standard Modules
================

Standard modules are those which describe features that are considered
part of the Chapel Standard Library.


Automatic Modules
-----------------

All Chapel programs automatically ``use`` the following modules by
default:

.. toctree::
   :maxdepth: 1

   Builtins <standard/Builtins>
   Chapel Environment Variables <standard/ChapelEnv>
   IO Support <standard/ChapelIO>
   Math <standard/Math>
   Types <standard/Types>
   VectorizingIterator <standard/VectorizingIterator>


Data Structures
---------------

.. toctree::
   :maxdepth: 1

   Heap <standard/Heap>
   List <standard/List>
   Map <standard/Map>
   Set <standard/Set>


Diagnostics
-----------

.. toctree::
   :maxdepth: 1

   CommDiagnostics <standard/CommDiagnostics>
   Memory <standard/Memory>


Files/IO
--------
.. toctree::
   :maxdepth: 1

   FileSystem <standard/FileSystem>
   IO <standard/IO>
   Path <standard/Path>


Language Support
----------------

.. toctree::
   :maxdepth: 1

   Reflection <standard/Reflection>
   Types <standard/Types>


Math/Numerical
--------------

.. toctree::
   :maxdepth: 1

   BigInteger <standard/BigInteger>
   BitOps <standard/BitOps>
   GMP <standard/GMP>
   Math <standard/Math>
   Random <standard/Random>


Parallelism/Distributed Computing
---------------------------------

.. toctree::
   :maxdepth: 1

   Barriers <standard/Barriers>
   DynamicIters <standard/DynamicIters>
   VectorizingIterator <standard/VectorizingIterator>

System/Interoperability
-----------------------

.. toctree::
   :maxdepth: 1

   CPtr <standard/CPtr>
   Spawn <standard/Spawn>
   Sys <standard/Sys>
   SysBasic <standard/SysBasic>
   SysCTypes <standard/SysCTypes>
   SysError <standard/SysError>

Utilities
---------

.. toctree::
   :maxdepth: 1

   DateTime <standard/DateTime>
   Help <standard/Help>
   Regexp <standard/Regexp>
   Time <standard/Time>
   Version <standard/Version>


Deprecated Modules
------------------

.. toctree::
   :maxdepth: 1

   Assert <standard/Assert>




Index
-----

* :ref:`Chapel Online Documentation Index <genindex>`

.. COMMENT: clean this up before exposing:: * :chpl:chplref:`chplmodindex`