>>>>> "SHC" == Shawn H Corey <shawnhco...@gmail.com> writes:
SHC> Uri Guttman wrote: >>>>>>> "SHC" == Shawn H Corey <shawnhco...@gmail.com> writes: >> SHC> Uri Guttman wrote: >> >> why the || '' ?? >> >> >> >> the help sub doesn't seem to exit/die >> SHC> Not proven; you cannot assume this. >> SHC> One school of thought about programming is that all functions must have SHC> only one return and all programs must have only one exit. Therefore, SHC> help() may return or it may not. >> >> that school leads to gotos and spaghetti logic. last/next/return are >> your friends. i have see code where one exit is forced and it looks >> forced. ewww. SHC> I didn't say it was a good idea. And part of this philosophy is no SHC> goto's. Instead, use lots of state variables and if statements. i have seen that and it is WORSE than gotos. double ewww!! >> SHC> Until you actually see the help() sub, you don't know if it returns. >> >> true. but i had to point out your own assumption that it DID return and >> not exit. these are the trials and tribulations when we use PSI::ESP to >> see invisible code. SHC> If it exited, then my extra code does nothing. If it didn't, my code SHC> set station to the default value. Yes, I'm assuming at declaration of SHC> $station it was assign a valid default. Here's the statement: SHC> my $station = ''; SHC> Call it paranoid defensive programming. ;) overly paranoid imo. but that doesn't mean the bugs aren't out to get ya! :) uri -- Uri Guttman ------ u...@stemsystems.com -------- http://www.sysarch.com -- ----- Perl Code Review , Architecture, Development, Training, Support ------ --------- Gourmet Hot Cocoa Mix ---- http://bestfriendscocoa.com --------- -- To unsubscribe, e-mail: beginners-unsubscr...@perl.org For additional commands, e-mail: beginners-h...@perl.org http://learn.perl.org/
