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 an older version of Boost and was released in 2025. The current version is 1.90.0.

operator|

operator|

Pipe operator used to chain deferred operations.

template<
    typename Head,
    typename Tail>
auto operator|(
    Head head,
    Tail && tail);

Requirements

Header: boost/asio/deferred.hpp

Convenience header: boost/asio.hpp