Use expression body for methods (IDE0022)
| Property | Value |
|---|---|
| Rule ID | IDE0022 |
| Title | Use expression body for methods |
| Category | Style |
| Subcategory | Language rules (expression-bodied members) |
| Applicable languages | C# |
| Options | csharp_style_expression_bodied_methods |
Overview
This style rule concerns the use of expression bodies versus block bodies for methods.
Options
Set the value of the associated option for this rule to specify whether expression bodies or block bodies for methods are preferred, and if expression bodies are preferred, whether they're preferred only for single-line expressions.
For more information about configuring options, see Option format.
csharp_style_expression_bodied_methods
| Property | Value | Description |
|---|---|---|
| Option name | csharp_style_expression_bodied_methods | |
| Option values | true |
Prefer expression bodies for methods |
when_on_single_line |
Prefer expression bodies for methods when they will be a single line | |
false |
Prefer block bodies for methods | |
| Default option value | false |
// csharp_style_expression_bodied_methods = true
public int GetAge() => this.Age;
// csharp_style_expression_bodied_methods = false
public int GetAge() { return this.Age; }
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 IDE0022
// The code that's violating the rule is on this line.
#pragma warning restore IDE0022
To disable the rule for a file, folder, or project, set its severity to none in the configuration file.
[*.{cs,vb}]
dotnet_diagnostic.IDE0022.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.
