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 682d8fbea2.

Return an object pointer if this is an object, else return nullptr

object const*
if_object() const;
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object*
if_object();
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