I'm confused by the following code.
Could someone explain to me why the def-ed partial has different behavior
to the letted one?
This is especially confusing to me since the #() special form one works as
I expect.
(def sum-partial-def (partial reduce +))
(let [sum-partial (partial reduce +)
sum-# #(reduce + %1)
nums [1 2 3 4]]
[(sum-partial-def nums)
(reduce + nums)
(sum-# nums)
(sum-partial nums)]) ;; => [10 10 10 10]
(with-redefs [+ (fn [a b]
(.add (.add (BigInteger. (str a))
(BigInteger. (str b)))
(BigInteger/ONE)))]
(let [sum-partial (partial reduce +)
sum-# #(reduce + %1)
nums [1 2 3 4]]
[(sum-partial-def nums)
(reduce + nums)
(sum-# nums)
(sum-partial nums)])) ;; => [10 13 13 13]
Thanks,
Matt
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