mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
6b35c34c68
with inheritance. [fix GH-1227] Patch by @adrfer * lib/irb/*: ditto. * lib/prime.rb: ditto. * lib/shell/builtin-command.rb: ditto. * object.c: ditto. * sample/*.rb: ditto. * test/-ext-/method/test_arity.rb: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56371 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
31 lines
489 B
Ruby
31 lines
489 B
Ruby
require 'delegate'
|
|
|
|
class ExtArray < DelegateClass(Array)
|
|
def initialize()
|
|
super([])
|
|
end
|
|
end
|
|
|
|
ary = ExtArray.new
|
|
p ary.class
|
|
ary.push 25
|
|
p ary
|
|
ary.push 42
|
|
ary.each {|x| p x}
|
|
|
|
foo = Object.new
|
|
def foo.test
|
|
25
|
|
end
|
|
def foo.iter
|
|
yield self
|
|
end
|
|
def foo.error
|
|
raise 'this is OK'
|
|
end
|
|
foo2 = SimpleDelegator.new(foo)
|
|
p foo2
|
|
foo2.instance_eval{print "foo\n"}
|
|
p foo.test == foo2.test # => true
|
|
p foo2.iter{[55,true]} # => true
|
|
foo2.error # raise error!
|