Query: moosex::strictconstructor
OS: osx
Section: 3
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
MooseX::StrictConstructor(3) User Contributed Perl Documentation MooseX::StrictConstructor(3)NAMEMooseX::StrictConstructor - Make your object constructors blow up on unknown attributesVERSIONversion 0.19SYNOPSISpackage My::Class; use Moose; use MooseX::StrictConstructor; has 'size' => ...; # then later ... # this blows up because color is not a known attribute My::Class->new( size => 5, color => 'blue' );DESCRIPTIONSimply loading this module makes your constructors "strict". If your constructor is called with an attribute init argument that your class does not declare, then it calls "Moose->throw_error()". This is a great way to catch small typos. Subverting Strictness You may find yourself wanting to have your constructor accept a parameter which does not correspond to an attribute. In that case, you'll probably also be writing a "BUILD()" or "BUILDARGS()" method to deal with that parameter. In a "BUILDARGS()" method, you can simply make sure that this parameter is not included in the hash reference you return. Otherwise, in a "BUILD()" method, you can delete it from the hash reference of parameters. sub BUILD { my $self = shift; my $params = shift; if ( delete $params->{do_something} ) { ... } }BUGSPlease report any bugs or feature requests to "bug-moosex-strictconstructor@rt.cpan.org", or through the web interface at <http://rt.cpan.org>. I will be notified, and then you'll automatically be notified of progress on your bug as I make changes.AUTHORDave Rolsky <autarch@urth.org>COPYRIGHT AND LICENSEThis software is Copyright (c) 2012 by Dave Rolsky. This is free software, licensed under: The Artistic License 2.0 (GPL Compatible) perl v5.16.2 2012-01-17 MooseX::StrictConstructor(3)