=> (defn abc [] 3)
#'ants/abc
=> (loop [a 1]
(when (= 1 a) (recur (abc))))
NO_SOURCE_FILE:2 recur arg for primitive local: a is not matching
primitive, had: Object, needed: long
Auto-boxing loop arg: a
nil
=> (loop [a 1]
(when (= 1 a) (recur (long (abc)))))
nil
=> (loop [a 1]
(when (= 1 a) (recur *(var defn)*)))
NO_SOURCE_FILE:2 recur arg for primitive local: a is not matching
primitive, had: Object, needed: long
Auto-boxing loop arg: a
nil
How was that boxed into long? :O
since this wouldn't work:
=> (loop [a 1]
(when (= 1 a) (recur (long (var defn)))))
ClassCastException clojure.lang.Var cannot be cast to java.lang.Number
clojure.lang.RT.longCast (RT.java:1151)
=> (long (var defn))
ClassCastException clojure.lang.Var cannot be cast to java.lang.Number
clojure.lang.RT.longCast (RT.java:1151)
=> (loop [a 1]
(cond (not (= 1 a))
a
:else
(recur (var defn))))
NO_SOURCE_FILE:5 recur arg for primitive local: a is not matching
primitive, had: Object, needed: long
Auto-boxing loop arg: a
*#'clojure.core/defn*
Shouldn't it err saying that it can't autobox into long? or am I missing
the meaning here? it does say that it had Object and it needed long, does
that autoboxing make it Long or long? apparently it just leaves it as
is:*#'clojure.core/defn
*
Any thoughts on this?
=> (loop [a 1]
(cond (not (= 1 a))
a
:else
(recur (abc))))
NO_SOURCE_FILE:5 recur arg for primitive local: a is not matching
primitive, had: Object, needed: long
Auto-boxing loop arg: a
3
=> (loop [a 1]
(cond (not (= 1 a))
a
:else
(recur (long (abc)))))
3
this makes sense.
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