Thanks, becames more clear to me! 2011/11/3, Rich Saunders <[email protected]>: > On 11/3/11 7:03 PM, William Oliveira Ferreira wrote: >> Sorry about my low knowlegde, maybe i am the most slow-learning mailer >> of this list but i don't understand the advantage of using dots on >> unit name. Could someon explain it to me? > > Say you use a bunch of units where XXX is defined multiple times, once > in each unit. > > If you refer to XXX alone the actual XXX being referred to is determined > by the search logic of the compiler which is governed by the scope rules > within your unit and by the order of the uses clause. So arbitrary > changes in the unit ordering can change the semantics of your code. > > But if you really want to be sure that UnitX.XXX is the XXX being > referenced you need to refer to XXX with the unit name prefix to ensure > that. > > This happens to me when I declare a method of a class as Inc to > increment some field value in the class. Within the Inc method I need to > call System.Inc to actually do the incrementing. Without the System > prefix I would get recursion since the Inc method would call itself. > > Rich S. > > > -- > _______________________________________________ > Lazarus mailing list > [email protected] > http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus >
-- ________________________________ William de Oliveira Ferreira Bacharel em Sistemas de Informação -- _______________________________________________ Lazarus mailing list [email protected] http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
