-- forwatable.rb
$Release Version: 1.1 $
$Revision: 1.1 $
$Date: 2001/07/19 05:42:06 $
=begin
= Forwardable
¥¯¥é¥¹¤ËÂФ·¥á¥½¥Ã¥É¤Î°Ñ¾ùµ¡Ç½¤òÄêµÁ¤·¤Þ¤¹.
== »È¤¤Êý
¥¯¥é¥¹¤ËÂФ·¤Æextend¤·¤Æ»È¤¤¤Þ¤¹.
class Foo
extend Forwardable
def_delegators("@out", "printf", "print")
def_delegators(:@in, :gets)
def_delegator(:@contents, :[], "content_at")
end
f = Foo.new
f.printf ...
f.gets
f.content_at(1)
== ¥á¥½¥Ã¥É
--- Forwardable#def_instance_delegators(accessor, *methods)
((|methods|))¤ÇÅϤµ¤ì¤¿¥á¥½¥Ã¥É¤Î¥ê¥¹¥È¤ò((|accessor¤Ë|))°Ñ¾ù¤¹¤ë
¤è¤¦¤Ë¤·¤Þ¤¹.
--- Forwardable#def_instance_delegator(accessor, method, ali = method)
((||method|))¤ÇÅϤµ¤ì¤¿¥á¥½¥Ã¥É¤ò((|accessor|))¤Ë°Ñ¾ù¤¹¤ë¤è¤¦¤Ë¤·
¤Þ¤¹. ((|ali|))¤¬°ú¿ô¤È¤·¤ÆÅϤµ¤ì¤¿¤È¤¤Ï, ¥á¥½¥Ã¥É((|ali|))¤¬¸Æ¤Ð
¤ì¤¿¤È¤¤Ë¤Ï, ((|accessor|))¤ËÂФ·((|method|))¤ò¸Æ¤Ó½Ð¤·¤Þ¤¹.
--- Forwardable#def_delegators(accessor, *methods)
((|Forwardable#def_instance_delegators|))¤ÎÊÌ̾¤Ç¤¹.
--- Forwardable#def_delegator(accessor, method, ali = method)
((|Forwardable#def_instance_delegator|))¤ÎÊÌ̾¤Ç¤¹.
= SingleForwardable
¥ª¥Ö¥¸¥§¥¯¥È¤ËÂФ·, ¥á¥½¥Ã¥É¤Î°Ñ¾ùµ¡Ç½¤òÄêµÁ¤·¤Þ¤¹.
== »È¤¤Êý
¥ª¥Ö¥¸¥§¥¯¥È¤ËÂФ·¤Æ((|extend|))¤·¤Æ»È¤¤¤Þ¤¹.
g = Goo.new
g.extend SingleForwardable
g.def_delegator("@out", :puts)
g.puts ...
== ¥á¥½¥Ã¥É
--- SingleForwardable#def_singleton_delegators(accessor, *methods)
((|methods|))¤ÇÅϤµ¤ì¤¿¥á¥½¥Ã¥É¤Î¥ê¥¹¥È¤ò((|accessor|))¤Ë°Ñ¾ù¤¹¤ë
¤è¤¦¤Ë¤·¤Þ¤¹.
--- SingleForwardable#def_singleton_delegator(accessor, method, ali = method)
((|method|))¤ÇÅϤµ¤ì¤¿¥á¥½¥Ã¥É¤ò((|accessor|))¤Ë°Ñ¾ù¤¹¤ë¤è¤¦¤Ë¤·¤Þ
¤¹. ((|ali|))¤¬°ú¿ô¤È¤·¤ÆÅϤµ¤ì¤¿¤È¤¤Ï, ¥á¥½¥Ã¥É((|ali|))¤¬¸Æ¤Ð¤ì
¤¿¤È¤¤Ë¤Ï, ((|accessor|))¤ËÂФ·((|method|))¤ò¸Æ¤Ó½Ð¤·¤Þ¤¹.
--- SingleForwardable#def_delegators(accessor, *methods)
((|SingleForwardable#def_singleton_delegators|))¤ÎÊÌ̾¤Ç¤¹.
--- SingleForwardable#def_delegator(accessor, method, ali = method)
((|SingleForwardable#def_singleton_delegator|))¤ÎÊÌ̾¤Ç¤¹.
=end
