49 lines
999 B
C++
49 lines
999 B
C++
#include <iostream>
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#include <string>
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#include <vector>
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enum class OrderBookType
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{
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bid,
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ask
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};
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// We add a constructor with an initialization list :
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// This is mor effecient because it doesn't copy but assigns the data right away.
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class OrderBookEntry
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{
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public:
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OrderBookEntry
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(
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double price,
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double amount,
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std::string timestamp,
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std::string product,
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OrderBookType orderType
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)
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: price{price},
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amount(amount),
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timestamp(timestamp),
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product(product),
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orderType(orderType)
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// can use parenthesis or curly braces
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{
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}
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double price;
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double amount;
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std::string timestamp;
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std::string product;
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OrderBookType orderType;
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};
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int main()
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{
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OrderBookEntry order1{ 10000,
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0.002,
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"2020/03/17 17:01:24.884492",
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"BTC/USDT",
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OrderBookType::bid};
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std::cout << order1.price << std::endl;
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} |