Design Patterns using IQueryable<T>
With the introduction of .NET 3.5 and the `IQueryable<T>` interface, new patterns will emerge. While I have seen a number of implementations of the Specification pattern, I have not seen many other patterns using this technology. Rob Conery's Storefront application is another concrete example using `IQueryable<T>` which may lead to some new patterns.

**What patterns have emerged from the useful `IQueryable<T>` interface?**
Design Patterns using IQueryable<T>
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With the introduction of .NET 3.5 and the `IQueryable<T>` interface, new patterns will emerge. While I have seen a number of implementations of the Specification pattern, I have not seen many other patterns using this technology. Rob Conery's Storefront application is another concrete example using `IQueryable<T>` which may lead to some new patterns.

**What patterns have emerged from the useful `IQueryable<T>` interface?**