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UUID

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This commit is contained in:
ahmed
2025-08-24 05:58:40 +03:00
parent b12939e109
commit a1353a03ad
7 changed files with 92 additions and 55 deletions
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25
Esiur/Data/UUID.cs
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@@ -57,6 +57,23 @@ namespace Esiur.Data
//e6 = data[offset++];
}
public unsafe override int GetHashCode()
{
unchecked
{
fixed (byte* p = Data)
{
ulong u0 = *(ulong*)p;
ulong u1 = *(ulong*)(p + 8);
// simple mixing of two 64-bit halves
return ((int)u0 ^ (int)(u0 >> 32)) ^
((int)u1 ^ (int)(u1 >> 32));
}
}
}
public UUID(byte[] data) {
if (data.Length != 16)
@@ -88,6 +105,14 @@ namespace Esiur.Data
//return $"{a1.ToString("x2")}{a2.ToString("x2")}{a3.ToString("x2")}{a4.ToString("x2")}-{b1.ToString("x2")}{b2.ToString("x2")}-{c1.ToString("x2")}{c2.ToString("x2")}-{d1.ToString("x2")}{d2.ToString("x2")}-{e1.ToString("x2")}{e2.ToString("x2")}{e3.ToString("x2")}{e4.ToString("x2")}{e5.ToString("x2")}{e6.ToString("x2")}";
}
public override bool Equals(object obj)
{
if (obj is UUID b)
return Data.SequenceEqual(b.Data);
return false;
}
public static bool operator == (UUID a, UUID b)
{
return a.Data.SequenceEqual(b.Data);