Rcpp Version 0.12.14
collapse.h
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1 // -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; tab-width: 8 -*-
2 //
3 // collapse.h: Rcpp R/C++ interface class library -- string sugar functions
4 //
5 // Copyright (C) 2012 Dirk Eddelbuettel and Romain Francois
6 //
7 // This file is part of Rcpp.
8 //
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21 
22 #ifndef RCPP_SUGAR_FUNCTIONS_COLLAPSE_H
23 #define RCPP_SUGAR_FUNCTIONS_COLLAPSE_H
24 
25 namespace Rcpp{
26  namespace sugar {
27  template <typename Iterator>
28  inline String collapse__impl( Iterator it, R_xlen_t n ){
29  static String buffer ;
30  buffer = "" ;
31  for( R_xlen_t i=0; i<n; i++ ){
32  buffer += it[i] ;
33  }
34  return buffer ;
35  }
36 
37  } // sugar
38 
39 
40  template <bool NA, typename T>
41  inline String collapse( const VectorBase<STRSXP,NA,T>& vec ){
42  return sugar::collapse__impl( vec.get_ref().begin(), vec.size() ) ;
43  }
44 
45 }
46 #endif
VECTOR & get_ref()
Definition: VectorBase.h:37
String collapse(const VectorBase< STRSXP, NA, T > &vec)
Definition: collapse.h:41
R_xlen_t size() const
Definition: VectorBase.h:49
String collapse__impl(Iterator it, R_xlen_t n)
Definition: collapse.h:28
Rcpp API.
Definition: algo.h:28