On 4/9/12 9:10 PM, Cedric Greevey wrote:
On Mon, Apr 9, 2012 at 10:31 PM, Andrew<ache...@gmail.com> wrote:
Given a lazy sequence of numbers is there a way to interleave a constant and
get another lazy sequence? Say the first sequence is 1 2 3 4 ... I'd like
the second sequence to be 1 0 2 0 3 0 4 0 ....
Thanks in advance!
user=> (interpose 0 [1 2 3 4 5])
(1 0 2 0 3 0 4 0 5)
user=>
Ah, I forgot about that one!
As an aside.. I just looked at the source for this, what does the
:static tag in the metadata do?
(defn interpose
"Returns a lazy seq of the elements of coll separated by sep"
{:added "1.0"
:static true}
[sep coll] (drop 1 (interleave (repeat sep) coll)))
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