Recent Posts — Faithlife Code BlogAlternate Lookups in .NET 9.0 Introduction Buried in the .NET 9 Preview 6 release notes is the bullet point “Collection lookups with spans”. This is an exciting new feature that I’ve wanted in .NET for a long time. (And based on the age of issue #27229, so has the .NET team.) Motivating Example Our Faithlife.Utility library provides the StringCache class. If you have a set of strings that will be
