To enhance the performance of the Any() call in LINQ, I’ve introduced the FastAny() method within the DotNetTips.Spargine.Extensions NuGet package. Employing it is as straightforward as using the Any() call with a predicate:

var result = people.FastAny(p => p.FirstName.Equals(firstName));

Benchmark Results

As indicated by the benchmark, FastAny() from Spargine exhibits a 1.08 times improvement in performance. Additionally, this method incorporates a null check for the collection.

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