On Sat, Feb 8, 2014 at 12:06 AM, Sean Corfield <s...@corfield.org> wrote:

> But you're misunderstanding what map does: it converts its collection
> arguments to _sequences_ and then it processes those sequences. Map
> doesn't operate on sets, or vectors, or maps, only on sequences.
>

Your assertion that I "am misunderstanding something" is wrong.

One cannot convert amorphic set into linear sequence without assuming
certain order. And as with every assumption, it always comes with some less
or more pragmatic but arbitrary decision which might change over time and
ruin peoples programs.

I would expect Clojure to throw "IllegalArgumentException Don't know how to
create ISeq from: clojure.lang.PersistentHashSet" or document it well in
map somewhere.


"Perfection is the enemy of the good."
>

Now judging by your sig, it all does not surprise me LOL

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