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PowerToys/src/modules/fancyzones/FancyZonesLib/GuidUtils.h

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#pragma once
#include "gdiplus.h"
namespace std
{
template<>
struct hash<GUID>
{
size_t operator()(const GUID& Value) const
{
RPC_STATUS status = RPC_S_OK;
return ::UuidHash(&const_cast<GUID&>(Value), &status);
}
};
}
inline bool operator<(const GUID& guid1, const GUID& guid2)
{
if (guid1.Data1 != guid2.Data1)
{
return guid1.Data1 < guid2.Data1;
}
if (guid1.Data2 != guid2.Data2)
{
return guid1.Data2 < guid2.Data2;
}
if (guid1.Data3 != guid2.Data3)
{
return guid1.Data3 < guid2.Data3;
}
for (int i = 0; i < 8; i++)
{
if (guid1.Data4[i] != guid2.Data4[i])
{
return guid1.Data4[i] < guid2.Data4[i];
}
}
return false;
}