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// Copyright (C) 2013 Romain Francois
//
// This file is part of Rcpp.
//
// Rcpp is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 2 of the License, or
// (at your option) any later version.
//
// Rcpp is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Rcpp. If not, see <http://www.gnu.org/licenses/>.
#ifndef Rcpp_DottedPairImpl_h
#define Rcpp_DottedPairImpl_h
namespace Rcpp{
template <typename CLASS>
class DottedPairImpl {
public:
/**
* wraps an object and add it at the end of the pairlist
* (this require traversing the entire pairlist)
*
* @param object anything that can be wrapped by one
* of the wrap functions, named objects (instances of traits::named_object<>
* are treated specially
*/
template <typename T>
void push_back( const T& object) ;
/**
* wraps an object and add it in front of the pairlist.
*
* @param object anything that can be wrapped by one
* of the wrap functions, or an object of class Named
*/
template <typename T>
void push_front( const T& object) ;
/**
* insert an object at the given position, pushing other objects
* to the tail of the list
*
* @param index index (0-based) where to insert
* @param object object to wrap
*/
template <typename T>
void insert( const size_t& index, const T& object) ;
/**
* replaces an element of the list
*
* @param index position
* @param object object that can be wrapped
*/
template <typename T>
void replace( const int& index, const T& object ) ;
inline R_xlen_t length() const {
return ::Rf_xlength(static_cast<const CLASS&>(*this).get__()) ;
}
inline R_xlen_t size() const {
return ::Rf_xlength(static_cast<const CLASS&>(*this).get__()) ;
}
/**
* Remove the element at the given position
*
* @param index position where the element is to be removed
*/
void remove( const size_t& index );
template <typename T>
friend DottedPairImpl& operator<<(DottedPairImpl& os, const T& t){
os.push_back( t ) ;
return os ;
}
template <typename T>
friend DottedPairImpl& operator>>( const T& t, DottedPairImpl& s){
s.push_front(t);
return s ;
}
} ;
}
#endif
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