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#pragma once
#include <string>
#include <vector>
#include <base/types.h>
namespace DB
{
/// Simple numeric version representation.
struct VersionNumber
{
explicit VersionNumber() = default;
VersionNumber(const std::initializer_list<Int64> & init) : components(init) {}
explicit VersionNumber(Int64 major, Int64 minor = 0, Int64 patch = 0) : components{major, minor, patch} {}
explicit VersionNumber(const std::vector<Int64> & components_) : components(components_) {}
/// Parse version number from string.
explicit VersionNumber(std::string version);
bool operator==(const VersionNumber & rhs) const = default;
/// There might be negative version code which differs from default comparison.
auto operator<=>(const VersionNumber & rhs) const { return compare(rhs); }
std::string toString() const;
private:
using Components = std::vector<Int64>;
Components components;
int compare(const VersionNumber & rhs) const;
};
}
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