YAPC::Asia 2015
αʔόʔαΠυΤϯδχΞͷͨΊͷJ04ΞϓϦ։ൃೖ!UZQFTUFS :"1$"TJB
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࢝ΊΔʹྑ͍࣌ظʂ
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$MBTTpackage Foo; use Moose; 1;
$MBTTclass Foo { }
*OIFSJUBODFpackage Dog; use Moose; extends ‘Animal’; 1;
*OIFSJUBODFclass Dog: Animal { }
JOTUBODFWBSJBCMFpackage Dog; use Moose; extends ‘Animal’; has ‘name’ => ( is => ‘rw’, isa => ‘Str’, ); 1;
JOTUBODFWBSJBCMFclass Dog: Animal { var name: String = “” }
MB[Zpackage Dog; use Moose; extends ‘Animal’; has ‘name’ => ( is => ‘rw’, isa => ‘Str’, lazy => 1, default => sub { “John”; }, ); 1;
MB[Zclass Dog: Animal { @lazy var name: String = { return “John” }() }
JOJUJBMJ[FSpackage Dog; use Moose; extends ‘Animal’; sub BUILD { my ($self) = @_; # . . . } 1;
JOJUJBMJ[FSclass Dog: Animal { init() { // . . . } }
JOTUBODFGVODUJPOpackage Dog; use Moose; extends ‘Animal’; sub print_info { my ($self) = @_; printf ‘name=%s\n’, $self->name; } 1;
JOTUBODFGVODUJPOmy $dog = Dog->new; $dog->print_info;
JOTUBODFGVODUJPOclass Dog: Animal { var name: String = “” func print_info() { println(“name=\(self.name)”) } }
JOTUBODFGVODUJPOvar dog = Dog() dog.print_info()
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ϦϑΝϨϯεΧϯτํࣜ
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1FSMͰΑ͘Δϛεmy $t = AnyEvent->timer( after => 10, cb => sub { $self->do_something; }, ); Scalar::Util::weaken($self);
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*OTXJGUvar t = Timer(10, cb: { [weak self] () -> Void in self?.do_something() })
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ͳΜ͔࡞ΔσϞ
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ϙΠϯτw ຊ৬ αʔόαΠυͷೳྗΛۦw ΫϥΠΞϯταΠυΊͬͪΌखൈ͖Ͱ͖ΔΑ͏ʹαʔόͰ͕ΜΔ
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