sure, you need to localize them.

But $a and $b always have the risk to be lexicals from the outer scope², I wanted to avoid discussing that problem.¹

It's about naming after all...

Cheers Rolf

( addicted to the Perl Programming Language)

¹) compare this error

  DB<108> my $a=3; sort {$a <=> $b} @a

Can't use "my $a" in sort comparison at ...

[download]

²) being bound to another package can be solved by investigating the caller, but checking for lexicals involves padwalker.

In reply to Re^3: Want for a name? by LanX
in thread Want for a name? by BrowserUk

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