Mouse::XS - A Mouse guts in XS
This document describes Mouse version 1.12
Mouse has an optional XS implementation, which is automatically built and used if available. According to benchmarks, this is about 2 times faster than Mouse::PurePerl.
The XS implementation are selected by default, but you can force it by passing the --xs
option to Makefile.PL.
perl Makefile.PL --xs
If you do not want to build the XS implementation, you can pass the --pp
option to Makefile.PL.
perl Makefile.PL --pp
Or if you use cpanm
(>= 1.7), you can give --pp
option to cpanm
.
cpanm --pp Mouse
It can be used to enable the use of Mouse::PurePerl in order to test and debug programs that use Mouse.
There are some Mouse::XS specific features.
- Mutationg references to the return values of getters
-
When you take a reference from Mouse getters, like
$ref = \$obj->foo
, the$ref
refers\$obj->{foo}
. That is, mutating$$ref
also alters$obj->{foo}
. The behavior may confuse you so you'd better avoid to take a reference directly from getters.See https://rt.cpan.org/Ticket/Display.html?id=82945 for details.
The XS implementation requires Perl 5.8.1 or later, and a C compiler.