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SynesthesiaDev merged 2 commits into from
May 22, 2026
Merged

Feature/struct builders #2

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a99ccdb
Change how struct codecs are constructed
SynesthesiaDev May 22, 2026
fa0468e
Change how binary codecs are constructed
SynesthesiaDev May 22, 2026
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348 changes: 0 additions & 348 deletions Codon.BinaryCodec/BinaryCodec.cs
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255 changes: 255 additions & 0 deletions Codon.BinaryCodec/BinaryCodecBuilder.cs
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// Copyright (c) 2026 SynesthesiaDev <synesthesiadev@proton.me>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.

using System;

namespace Codon.Binary;

public readonly struct BinaryCodecBuilder<T>
{
public BinaryCodecBuilder<T, P1> Field<P1>(IBinaryCodec<P1> codec, Func<T, P1> getter) where P1 : notnull
=> new(codec, getter);
}

public readonly struct BinaryCodecBuilder<T, P1> where P1 : notnull
{
internal readonly IBinaryCodec<P1> C1; internal readonly Func<T, P1> G1;

internal BinaryCodecBuilder(IBinaryCodec<P1> codec, Func<T, P1> getter)
=> (C1, G1) = (codec, getter);

public BinaryCodecBuilder<T, P1, P2> Field<P2>(IBinaryCodec<P2> codec, Func<T, P2> getter) where P2 : notnull
=> new(C1, G1, codec, getter);

public IBinaryCodec<T> Build(Func<P1, T> factory)
=> new BinaryCodecDefinitions.BinaryCodecP1<P1, T>(C1, G1, factory);
}

public readonly struct BinaryCodecBuilder<T, P1, P2> where P1 : notnull where P2 : notnull
{
internal readonly IBinaryCodec<P1> C1; internal readonly Func<T, P1> G1;
internal readonly IBinaryCodec<P2> C2; internal readonly Func<T, P2> G2;

internal BinaryCodecBuilder(
IBinaryCodec<P1> c1, Func<T, P1> g1,
IBinaryCodec<P2> codec, Func<T, P2> getter) =>
(C1, G1, C2, G2) = (c1, g1, codec, getter);

public BinaryCodecBuilder<T, P1, P2, P3> Field<P3>(IBinaryCodec<P3> codec, Func<T, P3> getter) where P3 : notnull
=> new(C1, G1, C2, G2, codec, getter);

public IBinaryCodec<T> Build(Func<P1, P2, T> factory)
=> new BinaryCodecDefinitions.BinaryCodecP2<P1, P2, T>(C1, G1, C2, G2, factory);
}

public readonly struct BinaryCodecBuilder<T, P1, P2, P3> where P1 : notnull where P2 : notnull where P3 : notnull
{
internal readonly IBinaryCodec<P1> C1; internal readonly Func<T, P1> G1;
internal readonly IBinaryCodec<P2> C2; internal readonly Func<T, P2> G2;
internal readonly IBinaryCodec<P3> C3; internal readonly Func<T, P3> G3;

internal BinaryCodecBuilder(
IBinaryCodec<P1> c1, Func<T, P1> g1,
IBinaryCodec<P2> c2, Func<T, P2> g2,
IBinaryCodec<P3> codec, Func<T, P3> getter) =>
(C1, G1, C2, G2, C3, G3) = (c1, g1, c2, g2, codec, getter);

public BinaryCodecBuilder<T, P1, P2, P3, P4> Field<P4>(IBinaryCodec<P4> codec, Func<T, P4> getter) where P4 : notnull
=> new(C1, G1, C2, G2, C3, G3, codec, getter);

public IBinaryCodec<T> Build(Func<P1, P2, P3, T> factory)
=> new BinaryCodecDefinitions.BinaryCodecP3<P1, P2, P3, T>(C1, G1, C2, G2, C3, G3, factory);
}

public readonly struct BinaryCodecBuilder<T, P1, P2, P3, P4>
where P1 : notnull where P2 : notnull where P3 : notnull where P4 : notnull
{
internal readonly IBinaryCodec<P1> C1; internal readonly Func<T, P1> G1;
internal readonly IBinaryCodec<P2> C2; internal readonly Func<T, P2> G2;
internal readonly IBinaryCodec<P3> C3; internal readonly Func<T, P3> G3;
internal readonly IBinaryCodec<P4> C4; internal readonly Func<T, P4> G4;

internal BinaryCodecBuilder(
IBinaryCodec<P1> c1, Func<T, P1> g1,
IBinaryCodec<P2> c2, Func<T, P2> g2,
IBinaryCodec<P3> c3, Func<T, P3> g3,
IBinaryCodec<P4> codec, Func<T, P4> getter) =>
(C1, G1, C2, G2, C3, G3, C4, G4) = (c1, g1, c2, g2, c3, g3, codec, getter);

public BinaryCodecBuilder<T, P1, P2, P3, P4, P5> Field<P5>(IBinaryCodec<P5> codec, Func<T, P5> getter) where P5 : notnull
=> new(C1, G1, C2, G2, C3, G3, C4, G4, codec, getter);

public IBinaryCodec<T> Build(Func<P1, P2, P3, P4, T> factory)
=> new BinaryCodecDefinitions.BinaryCodecP4<P1, P2, P3, P4, T>(C1, G1, C2, G2, C3, G3, C4, G4, factory);
}

public readonly struct BinaryCodecBuilder<T, P1, P2, P3, P4, P5>
where P1 : notnull where P2 : notnull where P3 : notnull where P4 : notnull where P5 : notnull
{
internal readonly IBinaryCodec<P1> C1; internal readonly Func<T, P1> G1;
internal readonly IBinaryCodec<P2> C2; internal readonly Func<T, P2> G2;
internal readonly IBinaryCodec<P3> C3; internal readonly Func<T, P3> G3;
internal readonly IBinaryCodec<P4> C4; internal readonly Func<T, P4> G4;
internal readonly IBinaryCodec<P5> C5; internal readonly Func<T, P5> G5;

internal BinaryCodecBuilder(
IBinaryCodec<P1> c1, Func<T, P1> g1,
IBinaryCodec<P2> c2, Func<T, P2> g2,
IBinaryCodec<P3> c3, Func<T, P3> g3,
IBinaryCodec<P4> c4, Func<T, P4> g4,
IBinaryCodec<P5> codec, Func<T, P5> getter) =>
(C1, G1, C2, G2, C3, G3, C4, G4, C5, G5) = (c1, g1, c2, g2, c3, g3, c4, g4, codec, getter);

public BinaryCodecBuilder<T, P1, P2, P3, P4, P5, P6> Field<P6>(IBinaryCodec<P6> codec, Func<T, P6> getter) where P6 : notnull
=> new(C1, G1, C2, G2, C3, G3, C4, G4, C5, G5, codec, getter);

public IBinaryCodec<T> Build(Func<P1, P2, P3, P4, P5, T> factory)
=> new BinaryCodecDefinitions.BinaryCodecP5<P1, P2, P3, P4, P5, T>(C1, G1, C2, G2, C3, G3, C4, G4, C5, G5, factory);
}

public readonly struct BinaryCodecBuilder<T, P1, P2, P3, P4, P5, P6>
where P1 : notnull where P2 : notnull where P3 : notnull where P4 : notnull where P5 : notnull where P6 : notnull
{
internal readonly IBinaryCodec<P1> C1; internal readonly Func<T, P1> G1;
internal readonly IBinaryCodec<P2> C2; internal readonly Func<T, P2> G2;
internal readonly IBinaryCodec<P3> C3; internal readonly Func<T, P3> G3;
internal readonly IBinaryCodec<P4> C4; internal readonly Func<T, P4> G4;
internal readonly IBinaryCodec<P5> C5; internal readonly Func<T, P5> G5;
internal readonly IBinaryCodec<P6> C6; internal readonly Func<T, P6> G6;

internal BinaryCodecBuilder(
IBinaryCodec<P1> c1, Func<T, P1> g1,
IBinaryCodec<P2> c2, Func<T, P2> g2,
IBinaryCodec<P3> c3, Func<T, P3> g3,
IBinaryCodec<P4> c4, Func<T, P4> g4,
IBinaryCodec<P5> c5, Func<T, P5> g5,
IBinaryCodec<P6> codec, Func<T, P6> getter) =>
(C1, G1, C2, G2, C3, G3, C4, G4, C5, G5, C6, G6) = (c1, g1, c2, g2, c3, g3, c4, g4, c5, g5, codec, getter);

public BinaryCodecBuilder<T, P1, P2, P3, P4, P5, P6, P7> Field<P7>(IBinaryCodec<P7> codec, Func<T, P7> getter) where P7 : notnull
=> new(C1, G1, C2, G2, C3, G3, C4, G4, C5, G5, C6, G6, codec, getter);

public IBinaryCodec<T> Build(Func<P1, P2, P3, P4, P5, P6, T> factory)
=> new BinaryCodecDefinitions.BinaryCodecP6<P1, P2, P3, P4, P5, P6, T>(C1, G1, C2, G2, C3, G3, C4, G4, C5, G5, C6, G6, factory);
}

public readonly struct BinaryCodecBuilder<T, P1, P2, P3, P4, P5, P6, P7>
where P1 : notnull where P2 : notnull where P3 : notnull where P4 : notnull where P5 : notnull where P6 : notnull where P7 : notnull
{
internal readonly IBinaryCodec<P1> C1; internal readonly Func<T, P1> G1;
internal readonly IBinaryCodec<P2> C2; internal readonly Func<T, P2> G2;
internal readonly IBinaryCodec<P3> C3; internal readonly Func<T, P3> G3;
internal readonly IBinaryCodec<P4> C4; internal readonly Func<T, P4> G4;
internal readonly IBinaryCodec<P5> C5; internal readonly Func<T, P5> G5;
internal readonly IBinaryCodec<P6> C6; internal readonly Func<T, P6> G6;
internal readonly IBinaryCodec<P7> C7; internal readonly Func<T, P7> G7;

internal BinaryCodecBuilder(
IBinaryCodec<P1> c1, Func<T, P1> g1,
IBinaryCodec<P2> c2, Func<T, P2> g2,
IBinaryCodec<P3> c3, Func<T, P3> g3,
IBinaryCodec<P4> c4, Func<T, P4> g4,
IBinaryCodec<P5> c5, Func<T, P5> g5,
IBinaryCodec<P6> c6, Func<T, P6> g6,
IBinaryCodec<P7> codec, Func<T, P7> getter) =>
(C1, G1, C2, G2, C3, G3, C4, G4, C5, G5, C6, G6, C7, G7) = (c1, g1, c2, g2, c3, g3, c4, g4, c5, g5, c6, g6, codec, getter);

public BinaryCodecBuilder<T, P1, P2, P3, P4, P5, P6, P7, P8> Field<P8>(IBinaryCodec<P8> codec, Func<T, P8> getter) where P8 : notnull
=> new(C1, G1, C2, G2, C3, G3, C4, G4, C5, G5, C6, G6, C7, G7, codec, getter);

public IBinaryCodec<T> Build(Func<P1, P2, P3, P4, P5, P6, P7, T> factory)
=> new BinaryCodecDefinitions.BinaryCodecP7<P1, P2, P3, P4, P5, P6, P7, T>(C1, G1, C2, G2, C3, G3, C4, G4, C5, G5, C6, G6, C7, G7, factory);
}

public readonly struct BinaryCodecBuilder<T, P1, P2, P3, P4, P5, P6, P7, P8>
where P1 : notnull where P2 : notnull where P3 : notnull where P4 : notnull where P5 : notnull where P6 : notnull where P7 : notnull where P8 : notnull
{
internal readonly IBinaryCodec<P1> C1; internal readonly Func<T, P1> G1;
internal readonly IBinaryCodec<P2> C2; internal readonly Func<T, P2> G2;
internal readonly IBinaryCodec<P3> C3; internal readonly Func<T, P3> G3;
internal readonly IBinaryCodec<P4> C4; internal readonly Func<T, P4> G4;
internal readonly IBinaryCodec<P5> C5; internal readonly Func<T, P5> G5;
internal readonly IBinaryCodec<P6> C6; internal readonly Func<T, P6> G6;
internal readonly IBinaryCodec<P7> C7; internal readonly Func<T, P7> G7;
internal readonly IBinaryCodec<P8> C8; internal readonly Func<T, P8> G8;

internal BinaryCodecBuilder(
IBinaryCodec<P1> c1, Func<T, P1> g1,
IBinaryCodec<P2> c2, Func<T, P2> g2,
IBinaryCodec<P3> c3, Func<T, P3> g3,
IBinaryCodec<P4> c4, Func<T, P4> g4,
IBinaryCodec<P5> c5, Func<T, P5> g5,
IBinaryCodec<P6> c6, Func<T, P6> g6,
IBinaryCodec<P7> c7, Func<T, P7> g7,
IBinaryCodec<P8> codec, Func<T, P8> getter) =>
(C1, G1, C2, G2, C3, G3, C4, G4, C5, G5, C6, G6, C7, G7, C8, G8) = (c1, g1, c2, g2, c3, g3, c4, g4, c5, g5, c6, g6, c7, g7, codec, getter);

public BinaryCodecBuilder<T, P1, P2, P3, P4, P5, P6, P7, P8, P9> Field<P9>(IBinaryCodec<P9> codec, Func<T, P9> getter) where P9 : notnull
=> new(C1, G1, C2, G2, C3, G3, C4, G4, C5, G5, C6, G6, C7, G7, C8, G8, codec, getter);

public IBinaryCodec<T> Build(Func<P1, P2, P3, P4, P5, P6, P7, P8, T> factory)
=> new BinaryCodecDefinitions.BinaryCodecP8<P1, P2, P3, P4, P5, P6, P7, P8, T>(C1, G1, C2, G2, C3, G3, C4, G4, C5, G5, C6, G6, C7, G7, C8, G8, factory);
}

public readonly struct BinaryCodecBuilder<T, P1, P2, P3, P4, P5, P6, P7, P8, P9>
where P1 : notnull where P2 : notnull where P3 : notnull where P4 : notnull where P5 : notnull where P6 : notnull where P7 : notnull where P8 : notnull where P9 : notnull
{
internal readonly IBinaryCodec<P1> C1; internal readonly Func<T, P1> G1;
internal readonly IBinaryCodec<P2> C2; internal readonly Func<T, P2> G2;
internal readonly IBinaryCodec<P3> C3; internal readonly Func<T, P3> G3;
internal readonly IBinaryCodec<P4> C4; internal readonly Func<T, P4> G4;
internal readonly IBinaryCodec<P5> C5; internal readonly Func<T, P5> G5;
internal readonly IBinaryCodec<P6> C6; internal readonly Func<T, P6> G6;
internal readonly IBinaryCodec<P7> C7; internal readonly Func<T, P7> G7;
internal readonly IBinaryCodec<P8> C8; internal readonly Func<T, P8> G8;
internal readonly IBinaryCodec<P9> C9; internal readonly Func<T, P9> G9;

internal BinaryCodecBuilder(
IBinaryCodec<P1> c1, Func<T, P1> g1,
IBinaryCodec<P2> c2, Func<T, P2> g2,
IBinaryCodec<P3> c3, Func<T, P3> g3,
IBinaryCodec<P4> c4, Func<T, P4> g4,
IBinaryCodec<P5> c5, Func<T, P5> g5,
IBinaryCodec<P6> c6, Func<T, P6> g6,
IBinaryCodec<P7> c7, Func<T, P7> g7,
IBinaryCodec<P8> c8, Func<T, P8> g8,
IBinaryCodec<P9> codec, Func<T, P9> getter) =>
(C1, G1, C2, G2, C3, G3, C4, G4, C5, G5, C6, G6, C7, G7, C8, G8, C9, G9) = (c1, g1, c2, g2, c3, g3, c4, g4, c5, g5, c6, g6, c7, g7, c8, g8, codec, getter);

public BinaryCodecBuilder<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10> Field<P10>(IBinaryCodec<P10> codec, Func<T, P10> getter) where P10 : notnull
=> new(C1, G1, C2, G2, C3, G3, C4, G4, C5, G5, C6, G6, C7, G7, C8, G8, C9, G9, codec, getter);

public IBinaryCodec<T> Build(Func<P1, P2, P3, P4, P5, P6, P7, P8, P9, T> factory)
=> new BinaryCodecDefinitions.BinaryCodecP9<P1, P2, P3, P4, P5, P6, P7, P8, P9, T>(C1, G1, C2, G2, C3, G3, C4, G4, C5, G5, C6, G6, C7, G7, C8, G8, C9, G9, factory);
}

public readonly struct BinaryCodecBuilder<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10>
where P1 : notnull where P2 : notnull where P3 : notnull where P4 : notnull where P5 : notnull where P6 : notnull where P7 : notnull where P8 : notnull where P9 : notnull where P10 : notnull
{
internal readonly IBinaryCodec<P1> C1; internal readonly Func<T, P1> G1;
internal readonly IBinaryCodec<P2> C2; internal readonly Func<T, P2> G2;
internal readonly IBinaryCodec<P3> C3; internal readonly Func<T, P3> G3;
internal readonly IBinaryCodec<P4> C4; internal readonly Func<T, P4> G4;
internal readonly IBinaryCodec<P5> C5; internal readonly Func<T, P5> G5;
internal readonly IBinaryCodec<P6> C6; internal readonly Func<T, P6> G6;
internal readonly IBinaryCodec<P7> C7; internal readonly Func<T, P7> G7;
internal readonly IBinaryCodec<P8> C8; internal readonly Func<T, P8> G8;
internal readonly IBinaryCodec<P9> C9; internal readonly Func<T, P9> G9;
internal readonly IBinaryCodec<P10> C10; internal readonly Func<T, P10> G10;

internal BinaryCodecBuilder(
IBinaryCodec<P1> c1, Func<T, P1> g1,
IBinaryCodec<P2> c2, Func<T, P2> g2,
IBinaryCodec<P3> c3, Func<T, P3> g3,
IBinaryCodec<P4> c4, Func<T, P4> g4,
IBinaryCodec<P5> c5, Func<T, P5> g5,
IBinaryCodec<P6> c6, Func<T, P6> g6,
IBinaryCodec<P7> c7, Func<T, P7> g7,
IBinaryCodec<P8> c8, Func<T, P8> g8,
IBinaryCodec<P9> c9, Func<T, P9> g9,
IBinaryCodec<P10> codec, Func<T, P10> getter) =>
(C1, G1, C2, G2, C3, G3, C4, G4, C5, G5, C6, G6, C7, G7, C8, G8, C9, G9, C10, G10) = (c1, g1, c2, g2, c3, g3, c4, g4, c5, g5, c6, g6, c7, g7, c8, g8, c9, g9, codec, getter);

public IBinaryCodec<T> Build(Func<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, T> factory)
=> new BinaryCodecDefinitions.BinaryCodecP10<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, T>(C1, G1, C2, G2, C3, G3, C4, G4, C5, G5, C6, G6, C7, G7, C8, G8, C9, G9, C10, G10, factory);
}
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