10 lines
312 B
Ruby
10 lines
312 B
Ruby
module DeferredAttributes
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def attr_deferred(name, &block)
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instance_variable_name = "@#{name}"
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define_method name do
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value = instance_variable_get(instance_variable_name)
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return value if value
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instance_variable_set(instance_variable_name, self.instance_eval(&block))
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end
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end
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end
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