C++ Extensions for Library Fundamentals, Version 2

This document was prepared by Joint Technical Committee ISO/IEC JTC 1, Information Technology, Subcommittee SC 22, Programming languages, their environments and system software interfaces. This edition of ISO/IEC 19568:2017 cancels and replaces the edition ISO/IEC 19568:2015, which has been technically revised and includes the following changes:

• Addition of the sample algorithm.
• Addition of new random-number generation facilities, and algorithms which use them.
• Addition of algorithms for uniform container erasure.
• Addition of function template not_fn.
• Addition of logical operator type traits conjunction, disjunction, and negation.
• Addition of templates to support the "detection idiom".
• Addition of the propagate_const class template.
• Addition of the observer_ptr class template.
• Addition of the make_array and to_array function templates.
• Addition of the ostream_joiner class template.
• Addition of the gcd and lcm algorithms.
• Addition of the source_location struct.
• Changes to the return types of search algorithms.
• Moving all libraries to the inline namespace fundamentals_v2.
• Miscellaneous defect resolutions.