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  1. class summator =
  2. object
  3. val mutable sum = 0
  4. method add n = sum <- sum + n
  5. method get = sum
  6. end
  7.  
  8. let () =
  9. let s = new summator in
  10. for i = 1 to 10 do
  11. s#add i
  12. done;
  13. print_int s#get
Success #stdin #stdout 0s 4252KB
stdin
Standard input is empty
stdout
55