Method no_such_env

inst/include/Rcpp/exceptions.h:73–74

    class no_such_env : public std::exception {
    public:
        no_such_env(const std::string& name) throw() :
            message(std::string("no such environment: '") + name + "'") {};
        no_such_env(int pos) throw() :
            message("no environment in given position '" + toString(pos) + "'") {};
        virtual ~no_such_env() throw() {};