>>>>> "Dave" == Dave Mitchell <[EMAIL PROTECTED]> writes:
Dave> Paul Johnson <[EMAIL PROTECTED]> wrote:
>> Actually, foo() is not a closure. A closure is an anonymous subroutine
>> and foo() clearly has a name.
Dave> Damain's definition of a closure includes named subs:
Dave> "In Perl, a closure is just a subroutine that refers to one or
Dave> more lexical variables declared outside the subroutine itself" -
Dave> OO perl, p 56.
Exactly. "closure" and "anonymous" are orthogonal concepts. An anon
sub is not necessarily a closure. A closure is not necessarily an
anon sub. Unfortunately, there were some casual misuses of the terms
early on, and it stuck into some of the early docs and mindsets.
--
Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095
<[EMAIL PROTECTED]> <URL:http://www.stonehenge.com/merlyn/>
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