Hi Francisco!

...

...

Can someone please explain me why the initial call to statistics/0 throws an exception if the module is already loaded?

...

Thanks for your explanation. One more question if I may ;-)

In version 17#115 I needed to include in my programs the following directive:

:- use_module(library(hiord_rt)).

but this seams to be broken or changed in the new version. I get errors like:

error(existence_error(procedure,/(user:call,7)),/(user:call,7))

when running programs that make use of meta-calls. Reading the documentation, it seams that the hiord_rt predicates have moved to the engine?

Thanks,

Paulo

----------------------------------------------------------- Paulo Jorge Lopes de Moura Dep. of Informatics Office 4.3 Ext. 3257 University of Beira Interior Phone: +351 275319700 6201-001 Covilhã Fax: +351 275319732 Portugal

mailto:pmoura(a)noe.ubi.pt http://www.ci.uc.pt/logtalk/pmoura.html -----------------------------------------------------------