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Use LINQ AggregateBy()

Recipe IDOpenRewrite.Recipes.CSharp.Migration.Dotnet.Net9.UseLinqAggregateBy

ArtifactOpenRewrite.Recipes.CSharp.Migration.Dotnet

Replace collection.GroupBy(keySelector).ToDictionary(g => g.Key, g => g.Aggregate(seed, func)) with collection.AggregateBy(keySelector, seed, func).ToDictionary(). Available since .NET 9.

Single recipeOpenRewritemodernizationcsharpdotnetModerne Proprietary License

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Usage

Run this recipe

In order to run C# recipes, you will need to use the Moderne CLI.

Once the CLI is installed, you can install this C# recipe package by running the following command:

Install the recipe package

mod config recipes nuget install OpenRewrite.Recipes.CSharp.Migration.Dotnet

Then, you can run the recipe via:

Run the recipe

mod run . --recipe OpenRewrite.Recipes.CSharp.Migration.Dotnet.Net9.UseLinqAggregateBy