Renamed split_view to lazy_split_view and new split_view.Generalized starts_with and ends_with for arbitrary ranges.Iterators pair constructors for std::stack ( stack) and std::queue ( queue).constexpr for std::optional, std::variant, and std::type_info::operator=.Narrowing contextual conversions to bool.
#BORLAND C WIKIPEDIA ISO#
Īfter the Summer 2021 ISO C++ standards plenary virtual meeting of June 2021, new features and defect reports were approved by straw polls: std::visit for classes that are derived from std::variant.Relax the requirements for time_point::clock.Removing unnecessary empty parameter list () from lambda expressions.Repairing input range adaptors and counted_iterator.The header, for interoperability with C atomics Īfter the virtual WG21 meeting of 22 February 2021, following features are added where they were approved by straw polls:.A stacktrace library ( ), based on Boost.Stacktrace.A member function contains for std::basic_string and std::basic_string_view, to check whether or not the string contains a given substring or character.Literal suffixes for std::size_t and the corresponding signed type.But the following were added after the virtual WG21 meeting of 9 November 2020, where they were approved by straw polls: In the absence of face-to-face WG21 meetings, few new features have so far been added to the C++23 draft. It is unlikely that there will be any face-to-face meeting before 2022. The first WG21 meeting focused on C++23 was intended to take place in Varna in early June 2020, but was cancelled due to the COVID-19 pandemic, as was the November 2020 meeting in New York and the February 2021 meeting in Kona, Hawaii. In February 2020, at the final meeting for C++20 in Prague, an overall plan for C++23 was adopted: planned features for C++23 are library support for coroutines, a modular standard library, executors, and networking. C++23 is the informal name for the next version of the ISO/ IEC 14882 standard for the C++ programming language that will follow C++20.
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