Language Support: components for common type definitions used throughout the library ( cstddef), characteristics of the predefined types ( limits, cfloat, climits), functions supporting start and termination of a C++ program ( cstdlib), support for dynamic memory management ( new), support for dynamic type identification ( typeinfo), support for exception processing ( exception), and other runtime support ( cstdarg, ctime, csetlmp, csignal).ĭiagnostics: components for reporting several kinds of exceptional conditions ( stdexcept), documenting program assertions ( cassert), and a global variable for error number codes ( cerrno). Input/Output includes components for forward declarations of iostreams ( iosfwd), predefined iostreams objects ( iostream), base iostreams classes ( ios), stream buffering ( streambuf), stream formatting and manipulators ( iosmanip, istream, ostream), string streams ( sstream), and file streams ( fstream). Iterators: the glue that pastes algorithms and containers together, such as utility, iterator, and memory. STL headers can be grouped into three major organizing concepts:Ĭontainers: template classes that support common ways to organize data, such as vector, list, deque, stack, queue, set, and map.Īlgorithms: template functions for performing common operations on sequences of objects, such as functional, algorithm, and numeric. Standard Template Library (STL) components provide a C++ program with access to a subset of the most widely used algorithms and data structures. The Standard C++ library can be divided into the following categories:
The Standard C++ library provides an extensible framework and contains components for language support, diagnostics, general utilities, strings, locales, standard template library (containers, iterators, algorithms, and numerics), and input/output.
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