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Update strongly-typed record Equals method #51136

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333fred opened this issue Feb 10, 2021 · 1 comment · Fixed by #51149
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Update strongly-typed record Equals method #51136

333fred opened this issue Feb 10, 2021 · 1 comment · Fixed by #51149
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@Youssef1313
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Area-Compilers help wanted The issue is "up for grabs" - add a comment if you are interested in working on it New Language Feature - Records Records
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16.10

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@333fred
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333fred commented Feb 10, 2021

We need to add a short-circuit in the strongly-typed Equals method we generate for record equality to ensure that, if the same instance is being compared for equality, we immediately return true. See dotnet/csharplang#39 (comment) for a benchmark of the perf consequences of this. /cc @jcouv.
@333fred 333fred added Area-Compilers untriaged Issues and PRs which have not yet been triaged by a lead labels Feb 10, 2021
@333fred 333fred added this to the 16.10 milestone Feb 10, 2021
@jcouv jcouv added help wanted The issue is "up for grabs" - add a comment if you are interested in working on it and removed untriaged Issues and PRs which have not yet been triaged by a lead labels Feb 11, 2021
@Youssef1313 Youssef1313 mentioned this issue Feb 11, 2021
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Opened #51149 to address this.

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@Youssef1313 Youssef1313

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Area-Compilers help wanted The issue is "up for grabs" - add a comment if you are interested in working on it New Language Feature - Records Records
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16.10
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Check reference equality for strongly-typed equals in records Youssef1313/roslyn
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@333fred @jcouv @Youssef1313