JetBrains Rider 2019.1 Help

Code Inspection: Redundant lambda signature parentheses

If a lambda expression has a single, implicitly typed parameter, parentheses are optional. They are necessary if there are two or more parameters.

JetBrains Rider suggests removing the redundant parentheses to improve code readability:

Suboptimal code

After the quick-fix

Func<string, Type> t = (x) => x.GetType();
Func<string, Type> t = x => x.GetType();
Last modified: 10 July 2019

See Also