On 25/05/13 12:24, Steven Degutis wrote:
The first is: (if (:attr obj) obj (assoc obj :attr something))
I'm basically saying, give this hash-map an attribute if it doesn't
already have it. And just return the thing with an attribute,
regardless if I had to add it or not.
(if (contains? obj :attr) obj
(assoc obj :attr something))
it's more evident now, but you still mention obj 3 times...
your second example seems just fine to me...if you have to test for
something, well, you have to test for something!!!
Jim
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