mirror of
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158 lines
5.8 KiB
C++
158 lines
5.8 KiB
C++
/*
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Copyright (C) 2001-2019 Free Software Foundation, Inc.
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See license.html for license.
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This just provides documentation for stuff that doesn't need to be in the
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source headers themselves. It is a ".cc" file for the sole cheesy reason
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that it triggers many different text editors into doing Nice Things when
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typing comments. However, it is mentioned nowhere except the *cfg.in files.
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Some actual code (declarations) is exposed here, but no compiler ever
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sees it. The decls must be visible to doxygen, and sometimes their real
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declarations are not visible, or not visible in a way we want.
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Pieces separated by '// //' lines will usually not be presented to the
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user on the same page.
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*/
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// // // // // // // // // // // // // // // // // // // // // // // //
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/** @namespace std
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* @brief ISO C++ entities toplevel namespace is std.
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*/
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/** @namespace std::__detail
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* @brief Implementation details not part of the namespace std interface.
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*/
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/** @namespace std::tr1
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* @brief ISO C++ TR1 entities toplevel namespace is std::tr1.
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*/
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/** @namespace std::tr1::__detail
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* @brief Implementation details not part of the namespace std::tr1 interface.
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*/
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/** @namespace std::tr2
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* @brief ISO C++ TR2 entities toplevel namespace is std::tr2.
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*/
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/** @namespace std::tr2::__detail
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* @brief Implementation details not part of the namespace std::tr2 interface.
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*/
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/** @namespace __gnu_cxx
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* @brief GNU extensions for public use.
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*/
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/** @namespace __gnu_cxx::__detail
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* @brief Implementation details not part of the namespace __gnu_cxx
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* interface.
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*/
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/** @namespace __gnu_internal
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* @brief GNU implemenation details, not for public use or
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* export. Used only when anonymous namespaces cannot be substituted.
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*/
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// // // // // // // // // // // // // // // // // // // // // // // //
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/**
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* @defgroup extensions Extensions
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*
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* Components generally useful that are not part of any standard.
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*/
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/** @defgroup SGIextensions SGI
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* @ingroup extensions
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Because libstdc++ based its implementation of the STL subsections of
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the library on the SGI 3.3 implementation, we inherited their extensions
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as well.
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They are additionally documented in the
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<a href="http://gcc.gnu.org/onlinedocs/libstdc++/documentation.html">
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online documentation</a>, a copy of which is also shipped with the
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library source code (in .../docs/html/documentation.html). You can also
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read the documentation <a href="http://www.sgi.com/tech/stl/">on SGI's
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site</a>, which is still running even though the code is not maintained.
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<strong>NB</strong> that the following notes are pulled from various
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comments all over the place, so they may seem stilted.
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<hr>
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*/
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/** @defgroup containers Containers
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Containers are collections of objects.
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A container may hold any type which meets certain requirements, but the type
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of contained object is chosen at compile time, and all objects in a given
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container must be of the same type. (Polymorphism is possible by declaring a
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container of pointers to a base class and then populating it with pointers to
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instances of derived classes. Variant value types such as the @c any class
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from <a href="http://www.boost.org/">Boost</a> can also be used.
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All contained types must be @c Assignable and @c CopyConstructible.
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Specific containers may place additional requirements on the types of
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their contained objects.
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Containers manage memory allocation and deallocation themselves when
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storing your objects. The objects are destroyed when the container is
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itself destroyed. Note that if you are storing pointers in a container,
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@c delete is @e not automatically called on the pointers before destroying them.
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All containers must meet certain requirements, summarized in
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<a href="tables.html">tables</a>.
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The standard containers are further refined into
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@link sequences Sequences@endlink and
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@link associative_containers Associative Containers@endlink.
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@link unordered_associative_containers Unordered Associative Containers@endlink.
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*/
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/** @defgroup sequences Sequences
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* @ingroup containers
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Sequences arrange a collection of objects into a strictly linear order.
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The differences between sequences are usually due to one or both of the
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following:
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- memory management
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- algorithmic complexity
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As an example of the first case, @c vector is required to use a contiguous
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memory layout, while other sequences such as @c deque are not.
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The prime reason for choosing one sequence over another should be based on
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the second category of differences, algorithmic complexity. For example, if
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you need to perform many inserts and removals from the middle of a sequence,
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@c list would be ideal. But if you need to perform constant-time access to
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random elements of the sequence, then @c list should not be used.
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All sequences must meet certain requirements, summarized in
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<a href="tables.html">tables</a>.
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*/
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/** @defgroup associative_containers Associative
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* @ingroup containers
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Associative containers allow fast retrieval of data based on keys.
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Each container type is parameterized on a @c Key type, and an ordering
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relation used to sort the elements of the container.
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All associative containers must meet certain requirements, summarized in
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<a href="tables.html">tables</a>.
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*/
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/** @defgroup unordered_associative_containers Unordered Associative
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* @ingroup containers
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Unordered associative containers allow fast retrieval of data based on keys.
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Each container type is parameterized on a @c Key type, a @c Hash type
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providing a hashing functor, and an ordering relation used to sort the
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elements of the container.
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All unordered associative containers must meet certain requirements,
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summarized in <a href="tables.html">tables</a>. */
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/**
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* @defgroup diagnostics Diagnostics
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*
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* Components for error handling, reporting, and diagnostic operations.
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*/
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/**
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* @defgroup concurrency Concurrency
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*
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* Components for concurrent operations, including threads, mutexes,
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* and condition variables.
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*/
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