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Function require_match

boost::type_erasure::require_match

Synopsis

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


template<typename Concept, typename Op, class... U> 
  void require_match(const binding< Concept > & binding, const Op & f, 
                     U &&... args);
template<typename Op, class... U> 
  void require_match(const Op & f, U &&... args);

Description

Checks that the actual types stored in all the any arguments match the types specified by binding. If they do not match then,

If binding is not specified, it will be deduced from the arguments.

Postconditions:

call(binding, f, args...) is valid.


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