...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
A constant used to select a value
constructor overload.
Defined in header <boost/json/kind.hpp>
constexpr string_kind_t string_kind;
The library provides this constant to allow efficient construction of a
value
containing an empty string
.
storage_ptr sp; value jv( string_kind, sp ); // sp is an optional parameter
Convenience header <boost/json.hpp>