Re^3: Tricky scope problem

in reply to Re^2: Tricky scope problem
in thread Tricky scope problem

It's done this way to allow for the following magic:

> perl -e '@arr = (1,2,3);$_++ foreach @arr;print @arr,"\n"'
234
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By aliasing the loop variable, we gain the power to use foreach (and grep and map...) to create simple list operations without dealing with index syntax.

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Re^4: Tricky scope problem by lostjimmy (Chaplain) on Apr 11, 2009 at 15:50 UTC
Thanks, kennethk. I understand very well the aliasing provided by the loop variable. I just hadn't understood why it became implicitly localized to the loop. AnomalousMonk explained it perfectly, though.	[reply]

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