F# provides literal expressions for tuples, F# lists, arrays, enumerables, and other generic types. The elements of a tuple expression are separated by commas. The elements of all other kinds of list-like expressions are separated by semicolons. F# Expression F# Type Representation C# Type Representation 17, 3, 8 int * int * int Tuple<int, int, int> [17; 3; 8] int list FSharpList<int> [|17; 3; 8|] int[] int[] seq {yield 17; yield 3; yield[...]