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Merged
aka-nse merged 2 commits into from
Jun 8, 2026
Merged

hotfix/union-attribute: makes to append UnionAttribute #9

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f122155
attaches UnionAttribute on generate
aka-nse Jun 8, 2026
649b5b4
updates readme
aka-nse Jun 8, 2026
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8 changes: 4 additions & 4 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -42,7 +42,7 @@ public readonly partial struct Int32OrString
#nullable enable
namespace EfficientUnionGenerator.SampleApp.SimpleUnionOfInt32OrString;


[System.Runtime.CompilerServices.Union]
partial struct Int32OrString
{
private enum __TypeSpecifier : byte
Expand Down Expand Up @@ -146,7 +146,7 @@ public readonly partial struct SignedInteger
#nullable enable
namespace EfficientUnionGenerator.SampleApp.SimpleUnionOfSignedInteger;


[System.Runtime.CompilerServices.Union]
partial struct SignedInteger
{
private enum __TypeSpecifier : byte
Expand Down Expand Up @@ -312,7 +312,7 @@ public static class Program
#nullable enable
namespace EfficientUnionGenerator.SampleApp.PositiveOnlyIntOrFloat;


[System.Runtime.CompilerServices.Union]
partial struct PositiveOnlyIntOrFloat
{
private enum __TypeSpecifier : uint
Expand Down Expand Up @@ -444,7 +444,7 @@ public readonly partial struct ElfHeader
#nullable enable
namespace EfficientUnionGenerator.SampleApp.ElfHeader;


[System.Runtime.CompilerServices.Union]
partial struct ElfHeader
{
private enum __TypeSpecifier : ulong
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4 changes: 3 additions & 1 deletion src/EfficientUnionGenerator/Generator.cs
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Expand Up @@ -97,9 +97,11 @@ private static void EmitUnionType(SourceProductionContext context, UnionTypeDefi
sb.AppendAutoGeneratedComment();
sb.AppendLine("#nullable enable");
sb.AppendNamespaceDeclaration();


using (sb.BeginTargetTypeDeclare())
using (var typeDecl = sb.BeginTargetTypeDeclare())
{
typeDecl.AddAttribute($"System.Runtime.CompilerServices.Union");
GenerateTypeSpecifierEnumDeclaration(source);

if (source.CandidateUnmanagedTypes.Length > 0)
Expand Down
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