fri*_*edo 5 oop perl moose mop
问候,
作为我之前关于Moose的问题的后续内容,我现在遇到了一个新问题.我有一个Moose类,它使用Recipe 12来扩展非Moose父类.这里是:
package MyApp::CGI;
### TODO: make this work with MooseX::Declare?
use Moose;
extends 'CGI::Application';
sub new {
my $class = shift;
my $obj = $class->SUPER::new( @_ );
return $class->meta->new_object( __INSTANCE__ => $obj, @_ );
}
sub setup {
my $self = shift;
$self->start_mode( 'main' );
my @methods = map { $_->name } $self->meta->get_all_methods;
$self->run_modes( map { /^rm_(.+)$/ => $_ }
grep { /^rm_/ }
@methods
);
}
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这非常有效.我也有这个类的子类使用MooseX::Declare
.但是,因为我现在覆盖了默认的Moose构造函数,所以我的子类会发出以下警告:
Not inlining 'new' for MyApp::CGI::Login since it is not inheriting the default Moose::Object::new
If you are certain you don't need to inline your constructor, specify inline_constructor => 0 in your call to MyApp::CGI::Login->meta->make_immutable
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由于在幕后自动MooseX::Declare
调用make_immutable
,我无法弄清楚如何让它打开inline_constructor => 0
参数.
fri*_*edo 11
感谢IRC的一些人,我能够解决这个问题.声明该类mutable
足以关闭该auto_make_immutable
标志MooseX::Declare
,因此我可以手动完成.(当然这也适用于非MX :: Declare类.)
经过修改的版本:
use MooseX::Declare;
class MyApp::CGI extends CGI::Application is mutable {
around new {
my $obj = $self->SUPER::new( @_ );
return $self->meta->new_object( __INSTANCE__ => $obj, @_ );
}
method setup {
$self->start_mode( 'main' );
my @methods = map { $_->name } $self->meta->get_all_methods;
$self->run_modes( map { /^rm_(.+)$/ => $_ }
grep { /^rm_/ }
@methods
);
}
__PACKAGE__->meta->make_immutable( inline_constructor => 0 );
}
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