The namespace provides classes and interfaces that support queries that use Language-Integrated Query (LINQ).
The namespace is in the System.Core assembly (in System.Core.dll).
For information about LINQ to SQL, see LINQ to SQL [LINQ to SQL].
[This topic is preliminary and is subject to change.]
LINQ extension method overrides that offer greater efficiency for ImmutableArray<T> than the standard LINQ methods NuGet package: System.Collections.Immutable (about immutable collections and how to install)