Method binary_call

inst/include/Rcpp/Language.h:208–208

        class binary_call : public std::function<RESULT_TYPE(T1,T2)> {
    public:
        binary_call( Language call_ ) : call(call_), proxy1(call_,1), proxy2(call_,2) {}
        binary_call( Language call_, R_xlen_t index1, R_xlen_t index2 ) : call(call_), proxy1(call_,index1), proxy2(call_,index2){}
        binary_call( Function fun) : call(fun, R_NilValue, R_NilValue), proxy1(call,1), proxy2(call,2){}