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* lib/delegate.rb: split executable code into sample directory.
* sample/delegate.rb: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46966 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,31 @@ | ||
require 'delegate' | ||
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class ExtArray<DelegateClass(Array) | ||
def initialize() | ||
super([]) | ||
end | ||
end | ||
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||
ary = ExtArray.new | ||
p ary.class | ||
ary.push 25 | ||
p ary | ||
ary.push 42 | ||
ary.each {|x| p x} | ||
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||
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! |