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Spell: Singleton Method
# =======================
# Spell: Singleton Method
# =======================
# Define a method on a single object.
obj = "abc"
class << obj
def my_singleton_method
"x"
end
end
obj.my_singleton_method # => "x"
# For more information: http://www.pragprog.com/titles/ppmetr/metaprogramming-ruby
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