On Jan 28, 2:19 pm, Chouser <chou...@gmail.com> wrote:
> On Wed, Jan 28, 2009 at 2:15 PM, Peter Wolf <opus...@gmail.com> wrote:
>
> > How do I get the length of a sequence? Is there some generic way to
> > find the number of elements in something that might be list, map, vector
> > or lazy?
>
> user=> (doc count)
> -------------------------
> clojure.core/count
> ([coll])
> Returns the number of items in the collection. (count nil) returns
> 0. Also works on strings, arrays, and Java Collections and Maps
>
> Note how the name and docs both cleverly avoid use of the words "size"
> or "length", to help the function remain undiscovered by searches
> through the source code and by uses of find-doc.
>
Patch welcome for this - could mention it returns the length of
strings and arrays and the size of Java collections.
Rich
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