LINQ is an internal DSL, and it's a big selling point of the C# 3.5 release. I don't think I'd go as far as to call it " one of C#'s main selling points". The

LINQ is an internal DSL, and it's a big selling point of the C# 3.5 release. I don't think I'd go as far as to call it " one of C#'s main selling points". The thing is, c# coders cannot build their own LINQ-style DSLs in c#. Rubyists do build thier own DSLs in Ruby.