Tag: IDE0018

Code It Any Way You Want: Performance of Out Variable Declaration

Posted on by David (dotNetDave) McCarter

Starting with .NET 7, it's advised to use inline variable declarations for out parameters, enhancing performance and readability. This approach simplifies refactoring, limits variable scope, and can enable better compiler optimizations. Benchmarks indicate a 1.03x performance improvement, making code more maintainable and easier to understand.

Microsoft .NET Code Analysis: Inline Variable Declaration

Posted on by David (dotNetDave) McCarter

Starting with .NET 7, it is recommended to inline variable declarations when calling a method with an out parameter, as it improves code readability, reduces scope, encourages immutability, facilitates easier refactoring, and can lead to performance optimizations. Updated March 2024.