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Rule to require a single space between an attribute and the parameter it applies to #3118

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#4321
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Rule to require a single space between an attribute and the parameter it applies to#3118
#4321
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AArnott

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@jnm2
jnm2
opened on Feb 19, 2020

E.g. [NotNullWhen(true)]out string? foo should warn because there is no space between ] and out.

https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1017.md is worded in a way that makes it sound like this rule should use the code SA1017:

A closing attribute bracket within a C# element is not spaced correctly.

Activity

  1. jmelosegui
    added this to StyleCopAnalyzerson Nov 16, 2025
  2. github-project-automation
    moved this to Backlog in StyleCopAnalyzerson Nov 16, 2025
  3. AArnott
    self-assigned this
    on Oct 16, 2026
  4. github-project-automation
    moved this from Backlog to In progress in StyleCopAnalyzerson Oct 16, 2026
  5. AArnott
    added a commit that references this issue on Oct 16, 2026

    SA1017: Require spacing after parameter attributes (#4321)

    7258f61
  6. AArnott
    closed this as completedin #4321on Oct 16, 2026
  7. github-project-automation
    moved this from In progress to Done in StyleCopAnalyzerson Oct 16, 2026
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