Rcpp Version 0.12.12
Lazy.h
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1 // -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; tab-width: 8 -*-
2 //
3 // Lazy.h: Rcpp R/C++ interface class library -- Lazy
4 //
5 // Copyright (C) 2010 - 2011 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 //
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16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 // GNU General Public License for more details.
18 //
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20 // along with Rcpp. If not, see <http://www.gnu.org/licenses/>.
21 
22 #ifndef Rcpp__sugar__Lazy_h
23 #define Rcpp__sugar__Lazy_h
24 
25 namespace Rcpp{
26 namespace sugar{
27 
28 template <typename T, typename EXPR>
29 class Lazy {
30 public:
31  inline operator T() const { return static_cast<const EXPR&>(*this).get() ; }
32 } ;
33 
34 }
35 }
36 
37 #endif
Rcpp API.
Definition: algo.h:28