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parameterize view and make a parameterized version of using a function called pred

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This commit is contained in:
Nathan Marz 2015-09-12 14:15:35 -04:00
parent 42befa556e
commit c6046aa874
1 changed files with 16 additions and 1 deletions
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17
src/com/rpl/specter.cljc
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@ -203,7 +203,12 @@
(assoc structure key (next-fn (get structure key)))
))
(defn view [afn] (i/->ViewPath afn))
(defparamspath view [afn]
(select* [this structure next-fn]
(next-fn (afn structure)))
(transform* [this structure next-fn]
(next-fn (afn structure))
))
(defn selected?
"Filters the current value based on whether a selector finds anything.
@ -275,6 +280,16 @@
(transform* [aset structure next-fn]
(i/filter-transform aset structure next-fn)))
(defparamspath
^{:doc "Keeps the element only if it matches the supplied predicate. This is the
late-bound parameterized version of using a function directly in a path."}
pred
[afn]
(select* [this structure next-fn]
(i/filter-select afn structure next-fn))
(transform* [this structure next-fn]
(i/filter-transform afn structure next-fn)))
(defn collect [& path]
(pathed-collector [late path]
(collect-val [this structure]