It's a closure because it contains a reference to a lexical variable ($q) from a parent scope. It could cause problems if later you reassigned $q and thought it would change inside the sub, or thought it go away after the scope of $q ended.

kelan

Perl6 Grammar Student

In reply to Re: Re: Re: Re^3: Perl to Ruby translator? by kelan
in thread Perl to Ruby translator? by Anonymous Monk

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