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.

Constructs a field holding a string.

explicit
field(
    std::string&& v) noexcept;

v is moved into an internal std::string object.

No-throw guarantee.