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Move GuidExtensions to OtterGui (unused atm)
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Ottermandias
parent
a27ce6b0a7
commit
6b0b1629bd
2 changed files with 1 additions and 255 deletions
2
OtterGui
2
OtterGui
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Subproject commit d9486ae54b5a4b61cf74f79ed27daa659eb1ce5b
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Subproject commit 07a009134bf5eb7da9a54ba40e82c88fc613544a
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@ -1,254 +0,0 @@
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using System.Collections.Frozen;
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using OtterGui;
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namespace Penumbra;
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public static class GuidExtensions
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{
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private const string Chars =
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"0123456789"
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+ "abcdefghij"
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+ "klmnopqrst"
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+ "uv";
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private static ReadOnlySpan<byte> Bytes
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=> "0123456789abcdefghijklmnopqrstuv"u8;
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private static readonly FrozenDictionary<char, byte>
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ReverseChars = Chars.WithIndex().ToFrozenDictionary(t => t.Value, t => (byte)t.Index);
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private static readonly FrozenDictionary<byte, byte> ReverseBytes =
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ReverseChars.ToFrozenDictionary(kvp => (byte)kvp.Key, kvp => kvp.Value);
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public static unsafe string OptimizedString(this Guid guid)
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{
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var bytes = stackalloc ulong[2];
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if (!guid.TryWriteBytes(new Span<byte>(bytes, 16)))
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return guid.ToString("N");
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var u1 = bytes[0];
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var u2 = bytes[1];
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Span<char> text =
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[
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Chars[(int)(u1 & 0x1F)],
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Chars[(int)((u1 >> 5) & 0x1F)],
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Chars[(int)((u1 >> 10) & 0x1F)],
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Chars[(int)((u1 >> 15) & 0x1F)],
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Chars[(int)((u1 >> 20) & 0x1F)],
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Chars[(int)((u1 >> 25) & 0x1F)],
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Chars[(int)((u1 >> 30) & 0x1F)],
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Chars[(int)((u1 >> 35) & 0x1F)],
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Chars[(int)((u1 >> 40) & 0x1F)],
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Chars[(int)((u1 >> 45) & 0x1F)],
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Chars[(int)((u1 >> 50) & 0x1F)],
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Chars[(int)((u1 >> 55) & 0x1F)],
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Chars[(int)((u1 >> 60) | ((u2 & 0x01) << 4))],
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Chars[(int)((u2 >> 1) & 0x1F)],
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Chars[(int)((u2 >> 6) & 0x1F)],
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Chars[(int)((u2 >> 11) & 0x1F)],
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Chars[(int)((u2 >> 16) & 0x1F)],
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Chars[(int)((u2 >> 21) & 0x1F)],
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Chars[(int)((u2 >> 26) & 0x1F)],
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Chars[(int)((u2 >> 31) & 0x1F)],
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Chars[(int)((u2 >> 36) & 0x1F)],
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Chars[(int)((u2 >> 41) & 0x1F)],
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Chars[(int)((u2 >> 46) & 0x1F)],
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Chars[(int)((u2 >> 51) & 0x1F)],
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Chars[(int)((u2 >> 56) & 0x1F)],
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Chars[(int)((u2 >> 61) & 0x1F)],
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];
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return new string(text);
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}
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public static unsafe bool FromOptimizedString(ReadOnlySpan<char> text, out Guid guid)
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{
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if (text.Length != 26)
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return Return(out guid);
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var bytes = stackalloc ulong[2];
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if (!ReverseChars.TryGetValue(text[0], out var b0))
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return Return(out guid);
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if (!ReverseChars.TryGetValue(text[1], out var b1))
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return Return(out guid);
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if (!ReverseChars.TryGetValue(text[2], out var b2))
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return Return(out guid);
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if (!ReverseChars.TryGetValue(text[3], out var b3))
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return Return(out guid);
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if (!ReverseChars.TryGetValue(text[4], out var b4))
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return Return(out guid);
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if (!ReverseChars.TryGetValue(text[5], out var b5))
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return Return(out guid);
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if (!ReverseChars.TryGetValue(text[6], out var b6))
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return Return(out guid);
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if (!ReverseChars.TryGetValue(text[7], out var b7))
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return Return(out guid);
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if (!ReverseChars.TryGetValue(text[8], out var b8))
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return Return(out guid);
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if (!ReverseChars.TryGetValue(text[9], out var b9))
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return Return(out guid);
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if (!ReverseChars.TryGetValue(text[10], out var b10))
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return Return(out guid);
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if (!ReverseChars.TryGetValue(text[11], out var b11))
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return Return(out guid);
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if (!ReverseChars.TryGetValue(text[12], out var b12))
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return Return(out guid);
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if (!ReverseChars.TryGetValue(text[13], out var b13))
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return Return(out guid);
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if (!ReverseChars.TryGetValue(text[14], out var b14))
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return Return(out guid);
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if (!ReverseChars.TryGetValue(text[15], out var b15))
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return Return(out guid);
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if (!ReverseChars.TryGetValue(text[16], out var b16))
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return Return(out guid);
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if (!ReverseChars.TryGetValue(text[17], out var b17))
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return Return(out guid);
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if (!ReverseChars.TryGetValue(text[18], out var b18))
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return Return(out guid);
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if (!ReverseChars.TryGetValue(text[19], out var b19))
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return Return(out guid);
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if (!ReverseChars.TryGetValue(text[20], out var b20))
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return Return(out guid);
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if (!ReverseChars.TryGetValue(text[21], out var b21))
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return Return(out guid);
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if (!ReverseChars.TryGetValue(text[22], out var b22))
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return Return(out guid);
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if (!ReverseChars.TryGetValue(text[23], out var b23))
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return Return(out guid);
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if (!ReverseChars.TryGetValue(text[24], out var b24))
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return Return(out guid);
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if (!ReverseChars.TryGetValue(text[25], out var b25))
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return Return(out guid);
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bytes[0] = b0
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| ((ulong)b1 << 5)
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| ((ulong)b2 << 10)
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| ((ulong)b3 << 15)
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| ((ulong)b4 << 20)
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| ((ulong)b5 << 25)
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| ((ulong)b6 << 30)
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| ((ulong)b7 << 35)
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| ((ulong)b8 << 40)
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| ((ulong)b9 << 45)
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| ((ulong)b10 << 50)
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| ((ulong)b11 << 55)
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| ((ulong)b12 << 60);
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bytes[1] = ((ulong)b12 >> 4)
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| ((ulong)b13 << 1)
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| ((ulong)b14 << 6)
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| ((ulong)b15 << 11)
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| ((ulong)b16 << 16)
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| ((ulong)b17 << 21)
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| ((ulong)b18 << 26)
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| ((ulong)b19 << 31)
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| ((ulong)b20 << 36)
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| ((ulong)b21 << 41)
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| ((ulong)b22 << 46)
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| ((ulong)b23 << 51)
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| ((ulong)b24 << 56)
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| ((ulong)b25 << 61);
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guid = new Guid(new Span<byte>(bytes, 16));
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return true;
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static bool Return(out Guid guid)
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{
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guid = Guid.Empty;
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return false;
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}
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}
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public static unsafe bool FromOptimizedString(ReadOnlySpan<byte> text, out Guid guid)
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{
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if (text.Length != 26)
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return Return(out guid);
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var bytes = stackalloc ulong[2];
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if (!ReverseBytes.TryGetValue(text[0], out var b0))
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return Return(out guid);
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if (!ReverseBytes.TryGetValue(text[1], out var b1))
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return Return(out guid);
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if (!ReverseBytes.TryGetValue(text[2], out var b2))
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return Return(out guid);
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if (!ReverseBytes.TryGetValue(text[3], out var b3))
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return Return(out guid);
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if (!ReverseBytes.TryGetValue(text[4], out var b4))
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return Return(out guid);
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if (!ReverseBytes.TryGetValue(text[5], out var b5))
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return Return(out guid);
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if (!ReverseBytes.TryGetValue(text[6], out var b6))
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return Return(out guid);
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if (!ReverseBytes.TryGetValue(text[7], out var b7))
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return Return(out guid);
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if (!ReverseBytes.TryGetValue(text[8], out var b8))
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return Return(out guid);
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if (!ReverseBytes.TryGetValue(text[9], out var b9))
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return Return(out guid);
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if (!ReverseBytes.TryGetValue(text[10], out var b10))
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return Return(out guid);
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if (!ReverseBytes.TryGetValue(text[11], out var b11))
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return Return(out guid);
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if (!ReverseBytes.TryGetValue(text[12], out var b12))
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return Return(out guid);
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if (!ReverseBytes.TryGetValue(text[13], out var b13))
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return Return(out guid);
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if (!ReverseBytes.TryGetValue(text[14], out var b14))
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return Return(out guid);
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if (!ReverseBytes.TryGetValue(text[15], out var b15))
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return Return(out guid);
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if (!ReverseBytes.TryGetValue(text[16], out var b16))
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return Return(out guid);
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if (!ReverseBytes.TryGetValue(text[17], out var b17))
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return Return(out guid);
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if (!ReverseBytes.TryGetValue(text[18], out var b18))
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return Return(out guid);
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if (!ReverseBytes.TryGetValue(text[19], out var b19))
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return Return(out guid);
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if (!ReverseBytes.TryGetValue(text[20], out var b20))
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return Return(out guid);
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if (!ReverseBytes.TryGetValue(text[21], out var b21))
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return Return(out guid);
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if (!ReverseBytes.TryGetValue(text[22], out var b22))
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return Return(out guid);
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if (!ReverseBytes.TryGetValue(text[23], out var b23))
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return Return(out guid);
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if (!ReverseBytes.TryGetValue(text[24], out var b24))
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return Return(out guid);
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if (!ReverseBytes.TryGetValue(text[25], out var b25))
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return Return(out guid);
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bytes[0] = b0
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| ((ulong)b1 << 5)
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| ((ulong)b2 << 10)
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| ((ulong)b3 << 15)
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| ((ulong)b4 << 20)
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| ((ulong)b5 << 25)
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| ((ulong)b6 << 30)
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| ((ulong)b7 << 35)
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| ((ulong)b8 << 40)
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| ((ulong)b9 << 45)
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| ((ulong)b10 << 50)
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| ((ulong)b11 << 55)
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| ((ulong)b12 << 60);
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bytes[1] = ((ulong)b12 >> 4)
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| ((ulong)b13 << 1)
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| ((ulong)b14 << 6)
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| ((ulong)b15 << 11)
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| ((ulong)b16 << 16)
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| ((ulong)b17 << 21)
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| ((ulong)b18 << 26)
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| ((ulong)b19 << 31)
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| ((ulong)b20 << 36)
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| ((ulong)b21 << 41)
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| ((ulong)b22 << 46)
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| ((ulong)b23 << 51)
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| ((ulong)b24 << 56)
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| ((ulong)b25 << 61);
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guid = new Guid(new Span<byte>(bytes, 16));
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return true;
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static bool Return(out Guid guid)
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{
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guid = Guid.Empty;
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return false;
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}
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}
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}
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