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Adds transducer arity to transjuxt.

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This commit is contained in:
Christophe Grand 2015-09-15 14:11:39 +02:00
parent 77ca032c01
commit e92feae40a
1 changed files with 9 additions and 6 deletions
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15
src/net/cgrand/xforms.clj
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@ -298,10 +298,13 @@
(defn transjuxt
"Performs several transductions over coll at once. xforms-map can be a map or vector.
Returns a map with the same keyset as xforms-map (or a vector of same size as xforms-map)."
[xforms-map coll]
(let [rf (if (vector? xforms-map)
(apply juxt (map #(% just) xforms-map))
(apply juxt-map (sequence (comp (by-key (map #(% just))) cat) xforms-map)))]
(rf (clj/reduce rf (rf) coll))))
Returns a map with the same keyset as xforms-map (or a vector of same size as xforms-map).
Returns a transducer when coll is omitted."
([xforms-map]
(let [rf (if (vector? xforms-map)
(apply juxt (map #(% just) xforms-map))
(apply juxt-map (sequence (comp (by-key (map #(% just))) cat) xforms-map)))]
(reduce rf)))
([xforms-map coll]
(transduce (transjuxt xforms-map) just coll)))