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C#–is null or == null that’s the question

While reviewing some code I noticed the following code construct:

So far I’ve always written my null checks using the following syntax:

I wasn’t aware that this was even possible. Turns out this was introduced in C# 7.

Why would you use the ‘is’ keyword instead of ‘==’? The ‘is’ keyword ignores any operator overloads so you don’t end up with unexpected behavior when you are using operator overloading.

Learned something today? Check!

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