let rec fun x = 5 + x let res = fun 3 printfn res
Standard input is empty
/home/UVEsSl/prog.fs(1,9): error FS0010: Unexpected keyword 'fun' in binding /home/UVEsSl/prog.fs(6,1): error FS0010: Incomplete structured construct at or before this point in lambda expression. Expected '->' or other token.
Standard output is empty