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

Return result with a reference to the underlying bool

boost::system::result< bool & >
try_as_bool() noexcept;
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Return result with the underlying bool

boost::system::result< bool >
try_as_bool() const noexcept;
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