Rcpp Version 1.0.9
clone.h
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1 // -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; tab-width: 8 -*-
2 //
3 // clone.h: Rcpp R/C++ interface class library -- clone RObject's
4 //
5 // Copyright (C) 2010 - 2012 Dirk Eddelbuettel and Romain Francois
6 //
7 // This file is part of Rcpp.
8 //
9 // Rcpp is free software: you can redistribute it and/or modify it
10 // under the terms of the GNU General Public License as published by
11 // the Free Software Foundation, either version 2 of the License, or
12 // (at your option) any later version.
13 //
14 // Rcpp is distributed in the hope that it will be useful, but
15 // WITHOUT ANY WARRANTY; without even the implied warranty of
16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 // GNU General Public License for more details.
18 //
19 // You should have received a copy of the GNU General Public License
20 // along with Rcpp. If not, see <http://www.gnu.org/licenses/>.
21 
22 #ifndef Rcpp_clone_h
23 #define Rcpp_clone_h
24 
25 #include <RcppCommon.h>
26 
27 namespace Rcpp{
28 
29 /* cloning type T is possible if :
30  - T can be converted to SEXP
31  - T has a SEXP constructor
32 */
33 template <typename T> T clone(const T& object) {
34  Shield<SEXP> x(const_cast<T&>(object));
35  Shield<SEXP> copy(Rf_duplicate(x));
36  return T((SEXP)copy);
37 }
38 
39 } // namespace Rcpp
40 
41 #endif
Rcpp API.
Definition: algo.h:28
T clone(const T &object)
Definition: clone.h:33