author | blanchet |
Wed, 04 Mar 2009 10:45:52 +0100 | |
changeset 30240 | 5b25fee0362c |
parent 25218 | fcf0f50e478c |
child 32740 | 9dd0a2f83429 |
permissions | -rw-r--r-- |
structure Report = struct local val report_depth = ref 0 fun space n = if n <= 0 then "" else (space (n-1))^" " fun report_space () = space (!report_depth) in fun timeit f = let val t1 = start_timing () val x = f () val t2 = #message (end_timing t1) val _ = writeln ((report_space ()) ^ "--> "^t2) in x end fun report s f = let val _ = writeln ((report_space ())^s) val _ = report_depth := !report_depth + 1 val x = timeit f val _ = report_depth := !report_depth - 1 in x end end end