Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This is the documentation for an old version of Boost. Click here to view this page for the latest version.
Prev Up HomeNext

static void narrow_value_check(Impl &&) noexcept

Observer policy performing hard UB if no value is present, by calling static void _ub(Impl &&) . Constexpr where possible.

Requires: Always available.

Complexity: Constant time.

Guarantees: Never throws an exception.

Last revised: January 22, 2019 at 01:11:40 UTC


Prev Up HomeNext