Created
June 17, 2015 12:57
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Combining Clojure macros some-> and as->
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| (defmacro someas-> | |
| "A mixture of some-> and as-> allowing more flexibility in the step forms" | |
| [expr name & forms] | |
| (let [pstep (fn [step] `(if (nil? ~name) nil ~step))] | |
| `(let [~name ~expr | |
| ~@(interleave (repeat name) (map pstep forms))] | |
| ~name))) |
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