/home/4fMjUM/prog.fs(3,9): error FS0001: Type mismatch. Expecting a
'a -> 'b -> 'c
but given a
'a -> unit
The type ''a -> 'b' does not match the type 'unit'
/home/4fMjUM/prog.fs(3,14): error FS0001: The type '(double -> float)' is not compatible with any of the types float,float32,decimal, arising from the use of a printf-style format string