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SA1000.md

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SA1000

TypeName SA1000KeywordsMustBeSpacedCorrectly
CheckId SA1000
Category Spacing Rules

Cause

The spacing around a C# keyword is incorrect.

Rule description

A violation of this rule occurs when the spacing around a keyword is incorrect.

The following C# keywords should always be followed by a single space: and, await, case, catch, fixed, for, foreach, from, group, if, in, is, into, join, let, lock, not, orderby, or, out, ref, return, select, switch, using, var, where, while, yield.

The following keywords should not be followed by any space: checked, default, nameof, sizeof, typeof, unchecked.

The new and stackalloc keywords should always be followed by a space, except in the following cases:

  • The new or stackalloc keyword is used to create a new implicitly-typed array. In this case there should be no space between the keyword and the opening array bracket.
  • The new keyword is part of implicit object creation (target-typed new). In this case there should be no space between the keyword and the opening parenthesis.
  • The new keyword is part of a generic type constraint. In this case there should be no space between the new keyword and the opening parenthesis.

The throw keyword should always be followed by a space, unless it is part of a re-throw statement, in which case there should be no space between the throw keyword and the semicolon.

How to fix violations

To fix a violation of this rule, add or remove a space after the keyword, according to the description above.

How to suppress violations

[SuppressMessage("StyleCop.CSharp.SpacingRules", "SA1000:KeywordsMustBeSpacedCorrectly", Justification = "Reviewed.")]
#pragma warning disable SA1000 // KeywordsMustBeSpacedCorrectly
#pragma warning restore SA1000 // KeywordsMustBeSpacedCorrectly