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use doall to force full evaluation of java collections when converting

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Gered 2014-03-02 10:46:25 -05:00
parent 56d966429d
commit 47fb37733b
1 changed files with 7 additions and 1 deletions
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8
src/clj_jtwig/convert.clj
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@ -7,7 +7,13 @@
(extend-protocol JavaToClojure
java.util.Collection
(to-clojure [x]
(map to-clojure x))
; REVIEW: using doall to force complete evaluation because map will otherwise return a LazySeq based on a java
; collection. want to avoid any potential scenarios where the clojure code using this converted value
; doesn't have time to fully evaluate the sequence before any other java code modifies the underlying
; collection object ... or am i just being paranoid? :)
(->> x
(map to-clojure)
(doall)))
java.util.Map
(to-clojure [x]