performance increases

memoize construction of ranges, and use transient/mutable Java collections for internal collection state
2026-01-13 21:01:46 -06:00
parent df24a84908
commit 9ffa5d1b97
3 changed files with 42 additions and 37 deletions
--- a/test/challenge/discrete_value_range_test.clj
+++ b/test/challenge/discrete_value_range_test.clj
@@ -31,10 +31,12 @@
  (toString [_this]
    (str start ".." end)))

-(defn int-range-inclusive [start end]
+(defn- int-range-inclusive* [start end]
  (assert (<= start end) (str "start : " start "; end: " end))
  (->IntInclusiveDiscreteValueRange start end))

+(def int-range-inclusive (memoize int-range-inclusive*))
+
 (defmethod range/->discrete-value-range :int-range-inclusive [_ start end]
  (int-range-inclusive start end))