ProgTutorial/First_Steps.thy
changeset 455 fcd0fb70994b
parent 451 fc074e669f9f
child 458 242e81f4d461
equal deleted inserted replaced
454:e2fe7e93333c 455:fcd0fb70994b
   172 in 
   172 in 
   173   implode o strip o explode 
   173   implode o strip o explode 
   174 end
   174 end
   175 
   175 
   176 fun redirect_tracing stream =
   176 fun redirect_tracing stream =
   177  Output.tracing_fn := (fn s =>
   177  Output.Private_Hooks.tracing_fn := (fn s =>
   178     (TextIO.output (stream, (strip_specials s));
   178     (TextIO.output (stream, (strip_specials s));
   179      TextIO.output (stream, "\n");
   179      TextIO.output (stream, "\n");
   180      TextIO.flushOut stream)) *}
   180      TextIO.flushOut stream)) *}
   181 
   181 
   182 text {*
   182 text {*