Kilka słów o...
type option int option, option<int>
np. Some 3, Some "3", None.
type list int list, list<int>
np. [], [3;2;1].
type1-> type2 int -> string
np. (fun x -> x+1).
type1* ... * typeN int * string
np. (1,"3"), (3,2,1).
type[] int[]
unit unit void
np. ()
'T 'T, 'a, 'Key, 'Value