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libreadonly-xs-perl: Faster Readonly implementation

Distribution Debian unstable
Abteilung perl
Quelle libreadonly-xs-perl
Version 1.04-2+b1
Maintainer Debian Perl Group <pkg-perl-maintainers@lists.alioth.debian.org>
Beschreibung The Readonly module (q.v.) is an effective way to create non-modifiable
variables. However, it's relatively slow.
.
The reason it's slow is that is implements the read-only-ness of variables via
tied objects. This mechanism is inherently slow. Perl simply has to do a lot
of work under the hood to make tied variables work.
.
This module corrects the speed problem, at least with respect to scalar
variables. When Readonly::XS is installed, Readonly uses it to access the
internals of scalar variables. Instead of creating a scalar variable object
and tying it, Readonly simply flips the SvREADONLY bit in the scalar's FLAGS
structure.
Abhängig vonlibc6 (>= 2.7-1), perl (>= 5.10.0-9), perlapi-5.10.0
Recommendslibreadonly-perl
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