I invariably write:

for my $i (0..3) {

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so I am reminded of the scope of the loop variable and am not tempted to think of it having larger scope.

A very good rule to follow is to always declare lexical variables in the smallest scope possible which precludes declaring declaring loop variables outside the for loop scope

Perl reduces RSI - it saves typing

In reply to Re^4: Lexical closures by GrandFather
in thread Lexical closures by spurperl

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