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Make local function static (IDE0062)

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Property Value
Rule ID IDE0062
Title Make local function static
Category Style
Subcategory Language rules (modifier preferences)
Applicable languages C# 8.0+
Options csharp_prefer_static_local_function

Overview

This style rule concerns the preference of marking local functions as static or not.

Options

Options specify the behavior that you want the rule to enforce. For information about configuring options, see Option format.

csharp_prefer_static_local_function

Property Value Description
Option name csharp_prefer_static_local_function
Option values true Prefer local functions to be marked static
false Prefer local functions not to be marked static
Default option value true:suggestion 
// csharp_prefer_static_local_function = true
void M()
{
    Hello();
    static void Hello()
    {
        Console.WriteLine("Hello");
    }
}

// csharp_prefer_static_local_function = false
void M()
{
    Hello();
    void Hello()
    {
        Console.WriteLine("Hello");
    }
}

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 IDE0062
// The code that's violating the rule is on this line.
#pragma warning restore IDE0062

To disable the rule for a file, folder, or project, set its severity to none in the configuration file.

[*.{cs,vb}]
dotnet_diagnostic.IDE0062.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.

See also