I thought that the issue might be that the concrete data still was not
populated in my list-of-lists, unlike your literal, so I started with
a clean environment and re-ran my repl session line by line from the
jline history file. I could not reproduce the error. (Which troubles
me even more...the error had to come from somewhere.)
For the record, here is how I build the table:
(def data (slurp "data.txt"))
(def lines (. data split "\n"))
(def my-table (map #(. % split "\t") lines))
On Oct 25, 9:28 am, Ken Wesson <kwess...@gmail.com> wrote:
> On Oct 24, 11:46 pm, Tim Webster <timothy.webs...@gmail.com> wrote:
>
>
>
>
>
>
>
>
>
> > I have an issue that I think is related to laziness, but I am not sure
> > I understand where the problem lies.
>
> > Let's say I have tabular data in a sequence of sequences. I get the
> > second column of the table like this:
>
> > (map #(nth % 1) my-table)
>
> > I can do some sequence things directly to the list returned by the
> > call to function, but not everything. For example,
>
> > (distinct (map #(nth % 1) my-table))
>
> > works fine, but
>
> > (frequencies (map #(nth % 1) my-table))
>
> > throws java.lang.RuntimeException: java.lang.IndexOutOfBoundsException
>
> I can't reproduce this with Clojure 1.2:
>
> user=> (frequencies (map #(nth % 1) [[1 2 3][4 5 6][1 2 3]]))
> {2 2, 5 1}
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