An Efficient Dictionary for IPAddress Tracking using .NET 9 with AlternateLookup and IAlternateEqualityComparer
Read OriginalThis technical article demonstrates how to use the new .NET 9 and C# 13 features, AlternateLookup and IAlternateEqualityComparer, to create a high-performance, memory-efficient dictionary for tracking IP addresses. It details a practical use case for handling GitHub webhooks, focusing on avoiding allocations by using ReadOnlySpan<byte> for keys and custom comparers.
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