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Struct at

boost::proto::functional::at — A PolymorphicFunctionObject type that invokes the fusion::at() accessor function on its arguments.

Synopsis

// In header: <boost/proto/functional/fusion/at.hpp>


struct at :  proto::callable {
  // member classes/structs/unions
  template<typename This, typename Seq, typename N> 
  struct result<> :  
  {
  };

  // public member functions
  template<typename Seq, typename N> 
     
    (, ) ;
  template<typename Seq, typename N> 
     
    (, ) ;
};

Description

A PolymorphicFunctionObject type that invokes the fusion::at() accessor function on its arguments.

at public member functions

  1. template<typename Seq, typename N> 
       
      ( seq,  n) ;

    Returns:

    fusion::at<N>(seq)

  2. template<typename Seq, typename N> 
       
      ( seq,  n) ;

    Returns:

    fusion::at<N>(seq)


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