Expressions of various kinds - Async, seq, query, etc; record type "constructors"... that's all I can think of off the top of my head. F# in general is a beaut

Expressions of various kinds - Async, seq, query, etc; record type "constructors"... that's all I can think of off the top of my head. F# in general is a beautiful language though, I can't say I've ever thought about the "curly bracketisms" personally because I'm too busy being excited about how much fun it is to write over C#.