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 a uint64_t pointer if this is an unsigned integer, else return nullptr

std::uint64_t const*
if_uint64() const;
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std::uint64_t*
if_uint64();
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