ClickHouse/src/Core/BigInt.h
2020-10-10 18:46:41 +03:00

37 lines
610 B
C++

#pragma once
#include <common/StringRef.h>
#include <common/unaligned.h>
#include <Core/Types.h>
namespace DB
{
template <typename T>
struct BigInt
{
static_assert(sizeof(T) == 32);
static constexpr size_t size = 32;
static StringRef serialize(const T & x, char * pos)
{
unalignedStore<T>(pos, x);
return StringRef(pos, size);
}
static String serialize(const T & x)
{
String str(size, '\0');
serialize(x, str.data());
return str;
}
static T deserialize(const char * pos)
{
return unalignedLoad<T>(pos);
}
};
}