sub _close_hash_and_insert_object {
my ($self) = @_;
return unless defined($self->{hash_object_pid});
my @vars = map { 'hash_object_' . $_ } qw(pid in out ctx);
command_close_bidi_pipe($self->{@vars});
delete $self->{@vars};
}
$self->{@vars} evaluates to undef. i can't find any mention of using
arrays to dereference objects in the manual and elsewhere; is this a
mistake?
This is a hash slice notation, returning an array of hash values
matching the corresponding keys. 5.10 removed some syntax warts in
the case of hash slices; this is more portably expressed as @{$self}
{@vars}; this should work in 5.10 and earlier versions, and so is the
preferred syntax.
Regards,
David
--
David Christensen
End Point Corporation
david@xxxxxxxxxxxx
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