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Postings from August 2001
On Tue, Aug 21, 2001 at 09:21:35AM -0400, Eric Roode wrote: > John Porter wrote: > > > >Dave Mitchell wrote: > >> ie by default lexicals are only in scope in their own sub, not within > >> nested subs - and you have to explicitly 'import' them to use them. > > > >No. People who write closures know what they're doing. > > > >When's the last time someone "accidentally" wrote a closure? > > People using mod_perl do it all the time: > http://www.perlreference.com/mod_perl/guide/obvious.html > > I don't agree with the original proposal, since 'use diagnostics' > will tell you about closures -- but people DO create closures by > mistake, and it can be a very difficult bug to trace if you aren't > used to closures. You are refering only to one type of closure, nested subroutines. And if people make these by mistake then perl will tell them with a warning like Variable "$x" will not stay shared Graham.Thread Previous | Thread Next