MemberAccessorGenerator

Reference

Add reference to MemberAccessorGenerator and MemberAccessorGenerator.SourceGenerator to csproj.

  <ItemGroup>
    <PackageReference Include="MemberAccessorGenerator" Version="0.1.0" />
    <PackageReference Include="MemberAccessorGenerator.SourceGenerator" Version="0.1.0">
      <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	-