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[Source] C# 9.0 New syntax attributes and logic patterns improve the aesthetics of if statements

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Posted on 2/13/2024 4:33:23 PM | | |
The C# language has always been clean and beautiful, and each upgrade brings some syntax sugar that allows us to make our code cleaner. This article shares two examples of tips for using C# 9.0 to enhance the aesthetics of if statements.

Use the property schema instead of IsNullOrEmpty

Whenever you use IsNullOrEmpty, consider replacing it like this:

The property mode is quite flexible, and you can also use it on arrays to make various judgments about arrays. For example, determine whether a string element in an array of nullable strings is empty or blank:

At first, you may feel that the reading experience is not good, but the more you use it, the more you read it, and this concise method is more conducive to reading.

Simplify multiple judgments with logical patterns

For the same value, it can be simplified by comparing it with multiple other values, such as the or and logical patterns:

Many people have wondered why C# 9.0 introduced the or and logical keywords, but this example makes it clear at a glance.

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