On Feb 3, 2009, at 10:32 PM, kyle smith wrote:
(map #(doto %1 (.add 2)) (doto (new java.util.ArrayList) (.add 1)))
user=> (map #(doto %1 (.add 2)) (doto (new java.util.ArrayList) (.add 1))) java.lang.IllegalArgumentException: No matching method found: add for class java.lang.Integer
The inner doto form evaluates to an ArrayList containing one element: 1.Mapping the function literal across that collection ends up requesting evaluation of:
(doto 1 (.add 2)) Integer has no method "add", so that fails. --Steve
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