The standard template library (stl) was a software library originally designed by alexander stepanov for the c++ programming language that influenced many parts of the c++ standard library, though no longer is actively maintained and is now mostly integrated into the c++ standard library itself It provides four components called algorithms, containers, functors, and iterators The design of the c++ standard library, much like the c standard library, is minimalistic, and contains only core features for programming, lacking most of the more specialised features offered by the java standard library or c# standard library. Namespace std { template <class t, class allocator = allocator<t>> class vector } like all c++ class templates, instantiations of standard library containers with different allocator arguments are distinct types A function expecting an std::vector<int> argument will therefore only accept a vector instantiated with the default allocator.
C++03 is a version of the iso / iec 14882 standard for the c++ programming language It is defined by two standards organizations, the international organization for standardization (iso) and the international electrotechnical commission (iec), in standard iso/iec 14882:2003. Any new expression that uses the placement syntax is a placement new expression, and any operator new or operator delete function that takes more than the mandatory first parameter (std::size_t) is a placement new or placement delete function [4] a placement new function takes two input parameters
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