Boost C++ Libraries

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This is an older version of Boost and was released in 2018. The current version is 1.90.0.

Struct template as_param

Struct template as_param

boost::type_erasure::as_param — Metafunction that creates a param.

Synopsis

// In header: <boost/type_erasure/param.hpp>

template<typename Any, typename T> 
struct as_param {
  // types
  typedef unspecified type;
};

Description

If T is a (cv/reference qualified) placeholder, returns param<concept_of<Any>::type, T>, otherwise, returns T. This metafunction is intended to be used for function arguments in specializations of concept_interface.

See Also:

derived, rebind_any