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juergenhoetzel/defunits-of.clj

Created August 17, 2010 22:08
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defunits-of.clj
(defmacro defunits-of [quantity base-unit & units]
(let [magnitude (gensym)
unit (gensym)
conversions (apply hash-map base-unit 1 units)]
`(defmacro ~(symbol (str "unit-of-" quantity))
[~magnitude ~unit]
`(* ~~magnitude
~(relative-units ~unit ~conversions)))))
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