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 snapshot of the master branch, built from commit 1cc2d37fc6.

Construct an any_completion_handler in an empty state, without a target object.

constexpr any_completion_handler(
    nullptr_t );