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Difficulty: Easy
Category: architecture & logic
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Topics: c++, low-latency, architecture, constexpr
In low-latency trading systems, type safety is critical to prevent the accidental mixing of order sides, prices, and quantities. Utilizing a strongly typed scoped enumeration for order sides enforces this safety, while a constexpr function allows the compiler to evaluate the opposite side at compile time to eliminate runtime overhead. Task Implement a scoped enumeration enum class OrderSide containing two values: Buy = 0 and Sell = 1. Then, write a constexpr function flipSide(OrderSide side) th
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