IDE0280Language rules (parameter preferences)

Use 'nameof'

Description

This rule flags the use of a literal parameter name instead of the nameof expression in attributes such as System.Diagnostics.CodeAnalysis.NotNullIfNotNullAttribute, System.Diagnostics.CodeAnalysis.NotNullWhenAttribute, and System.Runtime.CompilerServices.CallerArgumentExpressionAttribute that take a parameter name.

Example

// Code with violations.
class C
{
    void M([NotNullIfNotNull("input")] string? input) { }
}

// Fixed code.
class C
{
    void M([NotNullIfNotNull(nameof(input))] string? input) { }
}

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