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RCS9001: Use pattern matching

Properties​

PropertyValue
Default SeverityHidden
Minimum language version-

Examples​

Example #1​

diagnostic.cs
if (syntaxNode.IsKind(SyntaxKind.IdentifierName))
{
    var identifierName = (IdentifierNameSyntax)syntaxNode;
}
fix.cs
if (syntaxNode is IdentifierNameSyntax identifierName)
{
}

Example #2​

diagnostic.cs
if (!syntaxNode.IsKind(SyntaxKind.IdentifierName))
{
    return;
}

var identifierName = (IdentifierNameSyntax)syntaxNode;
fix.cs
if (!(syntaxNode is IdentifierNameSyntax identifierName))
{
  return;
}

Applies to​