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 9fc5439165.
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grammar::ref

Return a reference to a rule.

template<
    class Rule>
constexpr implementation-defined
ref(
    Rule const& r);
  » more...

Return a reference to a character set.

template<
    class CharSet>
constexpr implementation-defined
ref(
    CharSet const& cs);
  » more...

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