Sean Corfield <seancorfi...@gmail.com> writes:

>> user> (map #(let [{x 0 y 1 :or {0 -1, 1 -2}} %1]
>>             [x y])
>>           [[] [10] [10 11]])
>> ([nil nil] [10 nil] [10 11])
>>
>> I had expected it to return ([-1 -2] [10 -2] [10 11]).
>
> It needs to be this:
>
> user=> (map #(let [{x 0 y 1 :or {x -1 y -2}} %]
>              [x y])
>             [ [] [10] [10 11] [10 11 12] ])
>
> ([-1 -2] [10 -2] [10 11] [10 11])

Ah, yes.  Thanks a lot.

Bye,
Tassilo

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