Thomas Levesque • 12/7/2014

Optimize ToArray and ToList by providing the number of elements

The article details the inefficiency of C#'s ToArray and ToList methods when the element count is unknown, as with LINQ queries. It explains the internal resizing/copying behavior and proposes a custom extension method, ToArray(int count), that accepts a known count to pre-allocate the correct array size, improving performance.

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#performance #c #linq