Re^2: Want for a name?

Would there be a way to use $a and $b as in reduce?

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Re^3: Want for a name? by LanX (Saint) on Dec 11, 2013 at 20:40 UTC
sure, you need to localize them. But $a and $b always have the risk to be lexicals from the outer scope˛, I wanted to avoid discussing that problem.š It's about naming after all... Cheers Rolf ( addicted to the Perl Programming Language) š) compare this error `DB<108> my $a=3; sort {$a <=> $b} @a Can't use "my $a" in sort comparison at ...` [download] ˛) being bound to another package can be solved by investigating the `caller`, but checking for lexicals involves padwalker.	[reply] [d/l] [select]

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Re^3: Want for a name?
by LanX (Saint) on Dec 11, 2013 at 20:40 UTC

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

It's about naming after all...

Cheers Rolf

( addicted to the Perl Programming Language)

š) compare this error

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

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

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