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 a development version of boost.

Replaces *this with v, changing the kind to date and destroying any previous contents.

field&
operator=(
    const date& v) noexcept;

No-throw guarantee.

Invalidates references obtained by as_xxx and get_xxx functions, but not the ones obtained by field::operator field_view().