deque-blog/traversals_3_filtering_parsing_usage.cpp

## traversals_3_filtering_parsing_usage.cpp
auto read_stock_by_id(std::string const& id) {
   return read_stock_filtered_by(equaling(id, on(&stock_update::m_id)));
}

//Assembling the algorithm, the source and the pipeline
std::vector<std::string> fake_source = ... ;
auto result = algorithm(read_stock_by_id("EUR")(fake_source));
	auto read_stock_by_id(std::string const& id) {
	return read_stock_filtered_by(equaling(id, on(&stock_update::m_id)));
	}

	//Assembling the algorithm, the source and the pipeline
	std::vector<std::string> fake_source = ... ;
	auto result = algorithm(read_stock_by_id("EUR")(fake_source));