Skip to content

usausa/member-accessor-generator

Repository files navigation

MemberAccessorGenerator

NuGet

Reference

Add reference to MemberAccessorGenerator and MemberAccessorGenerator.SourceGenerator to csproj.

  <ItemGroup>
    <PackageReference Include="MemberAccessorGenerator" Version="0.3.0" />
    <PackageReference Include="MemberAccessorGenerator.SourceGenerator" Version="0.3.0">
      <PrivateAssets>all</PrivateAssets>
      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
    </PackageReference>
  </ItemGroup>

MemberAccessor

Source

[GenerateAccessor]
public partial class Data
{
    public int Id { get; set; }

    public string Name { get; set; } = default!;
}
var accessorFactory = AccessorRegistry.FindFactory<Data>();
var getter = accessorFactory.CreateGetter<int>(nameof(Data.Id));
var setter = accessorFactory.CreateSetter<int>(nameof(Data.Id));

var data = new Data();
setter(data, 123);
var id = getter(data);

Benchmark

BenchmarkDotNet v0.13.12, Windows 11 (10.0.22631.3235/23H2/2023Update/SunValley3)
AMD Ryzen 9 5900X, 1 CPU, 24 logical and 12 physical cores
.NET SDK 8.0.204
  [Host]     : .NET 8.0.4 (8.0.424.16909), X64 RyuJIT AVX2
  DefaultJob : .NET 8.0.4 (8.0.424.16909), X64 RyuJIT AVX2
Method Mean Error StdDev Min Max P90 Code Size Allocated
DirectGetter 0.2233 ns 0.0044 ns 0.0045 ns 0.2157 ns 0.2294 ns 0.2282 ns 12 B -
ExpressionGetter 1.1028 ns 0.0205 ns 0.0201 ns 1.0798 ns 1.1326 ns 1.1289 ns 57 B -
GeneratorGetter 0.2975 ns 0.0035 ns 0.0033 ns 0.2939 ns 0.3038 ns 0.3016 ns 75 B -
DirectSetter 0.2206 ns 0.0023 ns 0.0022 ns 0.2176 ns 0.2242 ns 0.2236 ns 31 B -
ExpressionSetter 1.3123 ns 0.0217 ns 0.0203 ns 1.2948 ns 1.3487 ns 1.3466 ns 60 B -
GeneratorSetter 0.4418 ns 0.0063 ns 0.0059 ns 0.4328 ns 0.4494 ns 0.4484 ns 83 B -