Method operator==

inst/include/Rcpp/Na_Proxy.h:24–24

    class Na_Proxy{

        friend inline bool operator==(double x      , Rcpp::Na_Proxy){ return Rcpp::traits::is_na<REALSXP>(x) ; }
        friend inline bool operator==(int x         , Rcpp::Na_Proxy){ return Rcpp::traits::is_na<INTSXP>(x) ; }
        friend inline bool operator==(Rcpp::String x, Rcpp::Na_Proxy){ return Rcpp::traits::is_na<STRSXP>(x.get_sexp()) ; }
        friend inline bool operator==(Rcomplex x    , Rcpp::Na_Proxy){ return Rcpp::traits::is_na<CPLXSXP>(x) ; }