8 lines
242 B
Ruby
8 lines
242 B
Ruby
class Hash
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def assert_valid_keys(*valid_keys)
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unknown_keys = keys - valid_keys
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return if unknown_keys.empty?
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raise Hbc::CaskError, %Q{Unknown keys: #{unknown_keys.inspect}. Running "#{UPDATE_CMD}" will likely fix it.}
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end
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end
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