Use 'nameof' (IDE0280)
Property | Value |
---|---|
Rule ID | IDE0280 |
Title | Use 'nameof' |
Category | Style |
Subcategory | Language rules (parameter preferences) |
Applicable languages | C# |
Overview
This rule flags the use of a literal parameter name instead of the nameof
expression in attributes such as NotNullIfNotNullAttribute, NotNullWhenAttribute, and CallerArgumentExpressionAttribute that take a parameter name.
Options
This rule has no associated code-style options.
Example
// Code with violations.
class C
{
void M([NotNullIfNotNull("input")] string? input) { }
}
// Fixed code.
class C
{
void M([NotNullIfNotNull(nameof(input))] string? input) { }
}
Suppress a warning
If you want to suppress only a single violation, add preprocessor directives to your source file to disable and then re-enable the rule.
#pragma warning disable IDE0280
// The code that's violating the rule is on this line.
#pragma warning restore IDE0280
To disable the rule for a file, folder, or project, set its severity to none
in the configuration file.
[*.{cs,vb}]
dotnet_diagnostic.IDE0280.severity = none
To disable all of the code-style rules, set the severity for the category Style
to none
in the configuration file.
[*.{cs,vb}]
dotnet_analyzer_diagnostic.category-Style.severity = none
For more information, see How to suppress code analysis warnings.
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