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module RR
# TODO: Refactor to a side-effect-free strategy.
class HashWithObjectIdKey < ::Hash #:nodoc:
def initialize
@keys = {}
super
end
alias_method :get_with_object_id, :[]
def [](key)
@keys[key.__id__] = key
super(key.__id__)
end
def has_key?(key)
super(key.__id__)
end
alias_method :set_with_object_id, :[]=
def []=(key, value)
@keys[key.__id__] = key
super(key.__id__, value)
end
def each
super do |object_id, value|
yield @keys[object_id], value
end
end
def delete(key)
@keys.delete(key.__id__)
super(key.__id__)
end
def keys
@keys.values
end
def include?(key)
super(key.__id__)
end
end
end
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