Boost C++ Libraries

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This is an older version of Boost and was released in 2016. The current version is 1.90.0.

Class template unwrap_recursive_wrapper

Class template unwrap_recursive_wrapper

boost::unwrap_recursive_wrapper — Unwraps the specified argument if given a specialization of recursive_wrapper.

Synopsis

// In header: <boost/variant/recursive_wrapper.hpp>

template<typename T> 
class unwrap_recursive_wrapper {
public:
  // types
  typedef unspecified type;
};

Description

type is equivalent to T::type if T is a specialization of recursive_wrapper. Otherwise, type is equivalent to T.