fastmm::BookView Concept Reference

#include <fastmm/core/book/book_view.hpp>

Concept definition

template<class B>
concept fastmm::BookView =  requires(const B& b, Side s, std::size_t i, Qty q, Price p) {
  { b.best_bid() } noexcept -> std::same_as<Level>;
  { b.best_ask() } noexcept -> std::same_as<Level>;
  { b.mid() } noexcept -> std::same_as<Price>;
  { b.spread() } noexcept -> std::same_as<Price>;
  { b.level(s, i) } noexcept -> std::same_as<Level>;
  { b.depth(s) } noexcept -> std::same_as<std::size_t>;
  { b.qty_at_or_better(s, p) } noexcept -> std::same_as<Qty>;
  { b.price_for_qty(s, q) } noexcept -> std::same_as<Price>;
  { b.is_valid() } noexcept -> std::same_as<bool>;
  { b.seq() } noexcept -> std::same_as<std::uint64_t>;
  { b.last_update() } noexcept -> std::same_as<Timestamp>;
  { b.template top<4>(s) } noexcept -> std::same_as<TopLevels<4>>;
}