Boost C++ Libraries: Ticket #12035: Please add constexpr and noexcept qualifiers https://svn.boost.org/trac10/ticket/12035 <p> where applicable (similarly to what string_ref offers)... </p> en-us Boost C++ Libraries /htdocs/site/boost.png https://svn.boost.org/trac10/ticket/12035 Trac 1.4.3