40 lines
814 B
C++
40 lines
814 B
C++
#pragma once
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#include <cstdint>
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namespace utils {
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struct Snowflake {
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union {
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struct {
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std::uint64_t timestamp : 42;
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std::uint64_t instance : 10;
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std::uint64_t sequence : 12;
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};
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std::uint64_t snowflake;
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};
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bool operator==(const Snowflake& other) const {
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return snowflake == other.snowflake;
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}
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std::vector<char> Serialize() {
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std::vector<char> serialized;
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serialized.insert(serialized.end(), &snowflake,
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&snowflake + sizeof(snowflake));
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return serialized;
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}
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};
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Snowflake GenerateID(std::uint16_t instance);
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} // namespace Chattr
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namespace std {
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template <>
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struct hash<utils::Snowflake> {
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std::size_t operator()(const utils::Snowflake& k) const {
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return std::hash<std::uint64_t>{}(k.snowflake);
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}
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};
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} // namespace std
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