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fcamel/redefine_class.rb

Created April 23, 2017 01:26
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redefine_class.rb
$ cat a.rb
class A
def foo
return "foo"
end
end
a = A.new
print a.foo(), "\n"
class A
def foo
return "bar"
end
end
print a.foo(), "\n"
$ ruby a.rb
foo
bar
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