machineghost schrieb:
> It turns out the problem is with both of our understanding of repeat
Ah, yes! Thanks for your analysis, now everything makes sense.
I could use the excuse that I usually program in Python, not in
Javascript, but in fact repeat() does not behave differently there ;-)
To summarize, the Test2 code based on two subtle misconceptions. First,
the implicit idea that in the expression repeat(BR()) the BR() is either
evaluated on every repetition, or copies of the BR() object are created
on every repetition, which both is of course not the case. Second, the
idea that you don't need to care whether elements you're adding to the
DOM are already used elsewhere ;-)
Your solution
var brAdder = function(x) { return [x, BR()]; }
appendChildNodes("test2", map(brAdder, text));
is nice. Alternatively, the Test2 code be fixed as follows:
appendChildNodes("test2", izip(text, imap(BR, repeat())));
Just to make use of repeat() against these odds...
-- Christoph
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