NAME

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The Rcpp package provides a C++ library which facilitates
        the integration of R and C++.

 R data types (SEXP) are matched to C++ objects in a class hierarchy.
        All R types are supported (vectors, functions, environment, etc
        ...)  and each type is mapped to a dedicated class. For
        example, numeric vectors are represented as instances of the
        Rcpp::NumericVector class, environments are represented as
        instances of Rcpp::Environment, functions are represented as
        Rcpp::Function, etc ... The "Rcpp-introduction" vignette
        provides a good entry point to Rcpp.

 Conversion from C++ to R and back is driven by the templates Rcpp::wrap
        and Rcpp::as which are highly flexible and extensible, as
        documented in the "Rcpp-extending" vignette.

 Rcpp also provides Rcpp modules, a framework that allows exposing C++
        functions and classes to the R level. The "Rcpp-modules"
        vignette details the current set of features of Rcpp-modules.

 Rcpp includes a concept called Rcpp sugar that brings many R functions
        into C++. Sugar takes advantage of lazy evaluation and
        expression templates to achieve great performance while
        exposing a syntax that is much nicer to use than the equivalent
        low-level loop code. The "Rcpp-sugar" vignette gives an
        overview of the feature.

 Several examples are included, and 793 unit tests in 375 unit test
        functions provide additional usage examples.

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NAME: Rcpp module:

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