It's hard to tell exactly what GP is referring to. It could be the parameterized Tuple type, which has built-in implementations for up to 8 fields. But those wi

It's hard to tell exactly what GP is referring to. It could be the parameterized Tuple type, which has built-in implementations for up to 8 fields. But those will all just be named Item1, Item2, etc. https://msdn.microsoft.com/en-us/library/dd383325%28v=vs.110%29.aspx https://msdn.microsoft.com/en-us/library/dd383325%28v=vs.110... The conversation makes me lean more towards C# anonymous types, which are just syntactic sugar for creating classes with public, read-only properties. But they feel like creating named, statically-typed tuples. https://msdn.microsoft.com/en-us/library/bb397696.aspx https://msdn.microsoft.com/en-us/library/bb397696.aspx