Bnaya.TypePatterns.Generators 1.0.4 

dotnet add package Bnaya.TypePatterns.Generators --version 1.0.4                

                    
                

            
NuGet\Install-Package Bnaya.TypePatterns.Generators -Version 1.0.4
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package. 
<PackageReference Include="Bnaya.TypePatterns.Generators" Version="1.0.4" />
For projects that support PackageReference, copy this XML node into the project file to reference the package. 
paket add Bnaya.TypePatterns.Generators --version 1.0.4                

                    
                

            
#r "nuget: Bnaya.TypePatterns.Generators, 1.0.4"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package. 
// Install Bnaya.TypePatterns.Generators as a Cake Addin
#addin nuget:?package=Bnaya.TypePatterns.Generators&version=1.0.4

// Install Bnaya.TypePatterns.Generators as a Cake Tool
#tool nuget:?package=Bnaya.TypePatterns.Generators&version=1.0.4

TypePatterns Generators

This package show how to mimic Typescropt's Utility Types using Source Code Generator.

[Partial]
public readonly partial record struct RecStruct(int? Value, string Name)
{
    public required int Quantity { get; init; }
    public string Tag { get; init; } = string.Empty;

    public string Description => $"{Name}: {Quantity}";
}

Will generate:

public record struct RecStructNullable
{
	public int? Value{ get; init; }
	public string? Name{ get; init; }
	public int? Quantity{ get; init; }
	public string? Tag{ get; init; }
}

And

partial record struct RecStruct
{
	public static RecStruct operator +(RecStruct a, RecStructNullable b)
	{
		var result = a with {
			Value = b.Value ?? a.Value,
			Name = b.Name ?? a.Name,
			Quantity = b.Quantity ?? a.Quantity,
			Tag = b.Tag ?? a.Tag,
		};
		return result;
	}
}

As result, the following test, pass.

[Fact]
public void RecStruct1_Test()
{
    var r = new RecStruct1 { Value = -150, Name = "Be'ery 😞", Quantity = -150 };
    var rn = new RecStruct1Nullable { Value = -160 };

    var r2 = r + rn;

    Assert.Equal(r.Name, r2.Name);
    Assert.Equal(r.Quantity, r2.Quantity);
    Assert.Equal(rn.Value, r2.Value);
}
There are no supported framework assets in this package.

Learn more about Target Frameworks and .NET Standard.

NuGet packages

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Version Downloads Last updated
1.0.4 438 10/21/2023
1.0.3 225 10/21/2023
1.0.0 275 10/15/2023