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 version of Boost is under active development. You are currently in the master branch. The current version is 1.91.0.
The type of container used for the body.
using value_type = std::basic_string< CharT, Traits, Allocator >;
This determines the type of message::body when this body type is used
with a message container.