market_model/order_book/
book.rs

1//! Stub: L1, L2, L3 order book state machines.
2//!
3//! Will be implemented in a future phase.
4
5/// Stub for a limit order book.
6pub struct OrderBook;
7
8impl OrderBook {
9    pub fn new() -> Self {
10        Self
11    }
12}
13
14impl Default for OrderBook {
15    fn default() -> Self {
16        Self::new()
17    }
18}

market_model/order_book/book.rs

market_model/order_book/
book.rs