Re: [perl #24250] "return" required in some anonymous closures - nntp.perl.org

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Re: [perl #24250] "return" required in some anonymous closures

From:

Elizabeth Mattijsen

Date:

October 20, 2003 06:06

Subject:

Re: [perl #24250] "return" required in some anonymous closures

Message ID:

p05111b07bbb98ddfbbd4@[192.168.56.2]

At 08:58 -0400 10/20/03, Mark Jason Dominus wrote:
>Dave Mitchell <davem@fdgroup.com>:
>>  This isn't a bug, it's a feature :-)
>>
>>  sub () {$lexical} is a constant sub generator, ie each call to 'sub'
>>  returns a new constant sub rather than a closure.
>
>Oh well, so much for the principle of least astonishment.
>
>What's the workaround for this feature?

Dropping the prototype seems to work:

my $foo = 'foo';
my $get = sub {$foo}; # look, no prototype!
my $set = sub ($) {$foo = $_[0]};
$set->('bar');
print "foo = $foo = ".$get->()."\n";
__END__
foo = bar = bar


Liz

RE: [perl #24250] "return" required in some anonymous closures by Orton, Yves

RE: [perl #24250] "return" required in some anonymous closures by Nick Ing-Simmons

Re: [perl #24250] "return" required in some anonymous closures by Tels
RE: [perl #24250] "return" required in some anonymous closures by Orton, Yves

RE: [perl #24250] "return" required in some anonymous closures by Nick Ing-Simmons
RE: [perl #24250] "return" required in some anonymous closures by Elizabeth Mattijsen

RE: [perl #24250] "return" required in some anonymous closures by Robin Barker

Re: [perl #24250] "return" required in some anonymous closures by Dave Mitchell

RE: [perl #24250] "return" required in some anonymous closures by Orton, Yves

Re: [perl #24250] "return" required in some anonymous closures by Dave Mitchell

[perl #24250] "return" required in some anonymous closures by martin@suttles.sca.sfbay.sun.com

Re: [perl #24250] "return" required in some anonymous closures by Yitzchak Scott-Thoennes
Re: [perl #24250] "return" required in some anonymous closures by Elizabeth Mattijsen

Re: [perl #24250] "return" required in some anonymous closures by Elizabeth Mattijsen

Re: [perl #24250] "return" required in some anonymous closures by Nick Ing-Simmons

Re: [perl #24250] "return" required in some anonymous closures by Elizabeth Mattijsen

Re: [perl #24250] "return" required in some anonymous closures by Elizabeth Mattijsen

Re: [perl #24250] "return" required in some anonymous closures by Nick Ing-Simmons

Re: [perl #24250] "return" required in some anonymous closures by Elizabeth Mattijsen

Re: [perl #24250] "return" required in some anonymous closures by Dave Mitchell
Re: [perl #24250] "return" required in some anonymous closures by Nick Ing-Simmons

Re: [perl #24250] "return" required in some anonymous closures by Dave Mitchell

Re: [perl #24250] "return" required in some anonymous closures by Mark Jason Dominus

Re: [perl #24250] "return" required in some anonymous closures by Nick Ing-Simmons
Re: [perl #24250] "return" required in some anonymous closures by Dave Mitchell
Re: [perl #24250] "return" required in some anonymous closures by Elizabeth Mattijsen

Re: [perl #24250] "return" required in some anonymous closures by Elizabeth Mattijsen

Re: [perl #24250] "return" required in some anonymous closures by Graham Barr

Re: [perl #24250] "return" required in some anonymous closures by Dave Mitchell

Re: [perl #24250] "return" required in some anonymous closures by Graham Barr

Re: [perl #24250] "return" required in some anonymous closures by Dave Mitchell

Re: [perl #24250] "return" required in some anonymous closures by Nicholas Clark

Re: [perl #24250] "return" required in some anonymous closures by Dave Mitchell

Re: [perl #24250] "return" required in some anonymous closures by hv

Re: [perl #24250] "return" required in some anonymous closures by Dave Mitchell

Re: [perl #24250] "return" required in some anonymous closures by Dave Mitchell

Re: [perl #24250] "return" required in some anonymous closures by Yitzchak Scott-Thoennes

Re: [perl #24250] "return" required in some anonymous closures by Elizabeth Mattijsen

Re: [perl #24250] "return" required in some anonymous closures by Dave Mitchell

Re: [perl #24250] "return" required in some anonymous closures by Yitzchak Scott-Thoennes

Re: [perl #24250] "return" required in some anonymous closures by Dave Mitchell

[perl #24250] "return" required in some anonymous closures by James E Keenan via RT

[perl #24250] "return" required in some anonymous closures by Father Chrysostomos via RT

Re: [perl #24250] "return" required in some anonymous closures by Nicholas Clark

Re: [perl #24250] "return" required in some anonymous closures by Dave Mitchell

Re: [perl #24250] "return" required in some anonymous closures by Nicholas Clark
Re: [perl #24250] "return" required in some anonymous closures by demerphq

Re: [perl #24250] "return" required in some anonymous closures by Nicholas Clark

[perl #24250] "return" required in some anonymous closures by patcat via RT

Re: [perl #24250] "return" required in some anonymous closures by Zefram

Re: [perl #24250] "return" required in some anonymous closures by Nicholas Clark

Re: [perl #24250] "return" required in some anonymous closures by Zefram
[perl #24250] "return" required in some anonymous closures by Father Chrysostomos via RT

[perl #24250] "return" required in some anonymous closures by Father Chrysostomos via RT

Re: [perl #24250] "return" required in some anonymous closures by Dave Mitchell

Re: [perl #24250] "return" required in some anonymous closures by Nicholas Clark

Re: [perl #24250] "return" required in some anonymous closures by Rafael Garcia-Suarez

Re: [perl #24250] "return" required in some anonymous closures by Elizabeth Mattijsen

Re: [perl #24250] "return" required in some anonymous closures by Dave Mitchell

Re: [perl #24250] "return" required in some anonymous closures by Elizabeth Mattijsen

Re: [perl #24250] "return" required in some anonymous closures by Dave Mitchell

Re: [perl #24250] "return" required in some anonymous closures by Dave Mitchell

Re: [perl #24250] "return" required in some anonymous closures by Elizabeth Mattijsen

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