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Speed up reflike? on the JVM #117

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4 changes: 3 additions & 1 deletion src/integrant/core.cljc
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Original file line number Diff line number Diff line change
Expand Up @@ -115,7 +115,9 @@
(defn reflike?
"Return true if its argument is a ref or a refset."
[x]
(satisfies? RefLike x))
;; satisfies? is slow on the JVM for values that do not implement the protocol
#?(:clj (instance? integrant.core.RefLike x)
:cljs (satisfies? RefLike x)))

(defrecord Profile [])

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10 changes: 10 additions & 0 deletions test/integrant/core_test.cljc
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Original file line number Diff line number Diff line change
Expand Up @@ -88,6 +88,16 @@
(is (ig/reflike? (ig/refset ::foo)))
(is (ig/reflike? (ig/refset [::foo ::bar]))))

(deftest reflike-test
(are [x] (not (ig/reflike? x))
nil
::foo
"foo"
{:key ::foo}
[(ig/ref ::foo)]
(ig/profile :dev 1)
(ig/var 'foo)))

(deftest composite-keyword-test
(let [k (ig/composite-keyword [::a ::b])]
(is (isa? k ::a))
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