What does -> mean in F#?

Question

I\'ve been trying to get into F# on and off for a while but I keep getting put off. Why?

Because no matter which \'beginners\' resource I try to look at I see very

Answer 1

From Microsoft:

Function types are the types given to first-class function values and are written int -> int. They are similar to .NET delegate types, except they aren't given names. All F# function identifiers can be used as first-class function values, and anonymous function values can be created using the (fun ... -> ...) expression form.