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Bugzilla Talk:Languages: Difference between revisions
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→On Perl5 cons
Aarontrevena (talk | contribs) |
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== On Perl5 cons == | == On Perl5 cons == | ||
* Perl 5.10 will have many new features (like even faster and better regexps, C3 method resolution for multiple inheritance). | |||
""I think everyone agrees that Perl5 is difficult for large, maintainable applications, and no one wants to advocate continuing to use it. "" | ""I think everyone agrees that Perl5 is difficult for large, maintainable applications, and no one wants to advocate continuing to use it. "" | ||
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**** No it's just you and a couple of others ;) - ajt | **** No it's just you and a couple of others ;) - ajt | ||
* You can't make subroutines private in a class. | * You can't make subroutines private in a class. | ||
** Any method that starts with '_' is considered private. Or use Moose. | |||
** Not true: | ** Not true: | ||
package Foo; | package Foo; | ||
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** That numbers are compared with "==" but strings are compared with "eq", even though in other places strings are interpreted as numbers if used numerically. | ** That numbers are compared with "==" but strings are compared with "eq", even though in other places strings are interpreted as numbers if used numerically. | ||
*** that's because humans use numbers as numbers sometimes and words at others - Perl reflects actual use, and this has never been a problem for me - it allows you to compare and sort correctly based on your needs/ | *** that's because humans use numbers as numbers sometimes and words at others - Perl reflects actual use, and this has never been a problem for me - it allows you to compare and sort correctly based on your needs/ | ||
*** PHP doesn't have sepatates operators, and it creates problems for inexpirienced programmers (thay do not use ===, strval, intval). | |||
** Figuring out what's $1, $2, $3, etc. from a regex result. And the fact that $1 and $2 don't get reset if there's no match. | ** Figuring out what's $1, $2, $3, etc. from a regex result. And the fact that $1 and $2 don't get reset if there's no match. | ||
*** Perl 5.10 will have named captures. | *** Perl 5.10 will have named captures. | ||
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** In array context, $cgi->param('value') returns an ''empty list'' if "value" wasn't passed to the CGI. It doesn't return undef. This is why we have "scalar $cgi->param()" all over the code. | ** In array context, $cgi->param('value') returns an ''empty list'' if "value" wasn't passed to the CGI. It doesn't return undef. This is why we have "scalar $cgi->param()" all over the code. | ||
*** Sorry, poor programming in your code not perl. | *** Sorry, poor programming in your code not perl. | ||
*** Any Perl framework will have other methods | |||
== On Python cons == | == On Python cons == | ||