10 lines
256 B
Ruby
10 lines
256 B
Ruby
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module HashValidator
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refine Hash do
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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 ArgumentError, "invalid keys: #{unknown_keys.map(&:inspect).join(", ")}"
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end
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end
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end
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