ru.cgi.perl

 
 - RU.CGI.PERL ------------------------------------------------------------------
 From : Comoderator of RU.CGI.PERL           2:5020/371.32  15 Feb 2001  14:31:38
 To : Ruslan Bondarev
 Subject : Moderatorial [*] (Re: ?)
 -------------------------------------------------------------------------------- 
 

 В твоём письме от Thu, 15 Feb 2001 01:22:17 +0300 написано:
 
 RB> Привет Владимиp.
 
 RB> Вторник Февраль 13 2001 20:15, Владимиp Гpебнев -> Artem Chuprina:
 >> Аpтем, ну как ты не поймешь, _HЕТУ У МЕHЯ perldoc'a_, потму и
 >> спpашиваю...Да и эха вpоде для этого......
 
 RB>     Есть у тебя перлдок, тебе просто задницей пошевелить лень.
 RB>     Дарю, не шевели дальше: (о:
 
 RB> goto LABEL
 RB> goto EXPR
 RB> goto &NAME
 RB> goto LABEL finds the statement labeled with LABEL and resumes execution
 RB> there. It may not be used to go into any construct that requires
 RB> initialization, such as a subroutine or a foreach loop. It also can't be
 RB> used to go into a construct that is optimized away. It can be used to go
 RB> almost anywhere else within the dynamic scope,[4] including out
 RB> of subroutines, but for that purpose it's usually better to use some other
 RB> construct such as last or die. The author of Perl has never felt the need to
 RB> use this form of goto (in Perl, that is - C is another matter).
 
 RB> [4] This means that if it doesn't find the label in the current routine, it 
 RB> looks back through the routines that called the current routine for the
 RB> label, thus making it nearly impossible to maintain your program.
 
 RB> Going to even greater heights of orthogonality (and depths of idiocy), Perl 
 RB> allows goto EXPR, which expects EXPR to evaluate to a label name, whose
 RB> scope is guaranteed to be unresolvable until run-time since the label is
 RB> unknown when the statement is compiled. This allows for computed gotos per
 RB> FORTRAN, but isn't necessarily recommended[5] if you're optimizing for
 RB> maintainability:
 
 RB> [5] Understatement is reputed to be funny, so we thought we'd try one here.
 
 RB> goto +("FOO", "BAR", "GLARCH")[$i];
 RB> goto &NAME is highly magical, substituting a call to the named subroutine
 RB> for the currently running subroutine. This is used by AUTOLOAD subroutines
 RB> that wish to load another subroutine and then pretend that this subroutine -
 RB> and not the original one - had been called in the first place (except that
 RB> any modifications to @_ in the original subroutine are propagated to the
 RB> replacement subroutine). After the goto, not even caller will be able to
 RB> tell that the original routine was called first.
 
 RB>     (Стайлуса только у меня не проси - не дам точно)
 
 RB> ... bye.
 
 Оффтопик.
 
 -- 
 FIDO: Artem Chuprina, 2:5020/371.32, comoderator of RU.CGI.PERL
 Internet: Artem Chuprina <cmrcp@ran.pp.ru>, comoderator of fido7.ru.cgi.perl
 --- slrn/0.9.6.3-as (Linux)
  * Origin: AKA с подствольным плюсомётом (2:5020/371.32)
 
 

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Тема:    Автор:    Дата:    ?   ‚« ¤Ё¬Ёp ѓpҐЎ­Ґў   11 Feb 2001 15:37:00   Re: ?   Artem Chuprina   13 Feb 2001 15:16:11   Re: ?   ‚« ¤Ё¬Ёp ѓpҐЎ­Ґў   13 Feb 2001 21:15:13   Re: ?   Vitaliy T Morarian   15 Feb 2001 01:54:12   Re: ?   Ruslan Bondarev   15 Feb 2001 02:22:17   Moderatorial [*] (Re: ?)   Comoderator of RU.CGI.PERL   15 Feb 2001 14:31:38   Re: ?   Comoderator of RU.CGI.PERL   15 Feb 2001 14:30:56