There are two other ways to write
(fn [x] "foo")
1. Use quote
#(quote "foo")
2. Use the constantly function
(constantly "foo")
Both return a constant value.
Sean
On Aug 2, 7:47 am, Jarkko Oranen <chous...@gmail.com> wrote:
> Chad Harrington wrote:
> > I have a newbie question about anonymous functions. Why does the first form
> > below work and the second form does not?
>
> > user> ((fn [] "foo"))
> > "foo"
>
> > user> (#("foo"))
> > ; Evaluation aborted.
>
> fn and #() are not interchangeable. In the first example, you simply
> return "foo". However, #("foo") expands to (fn [] ("foo")), so you end
> up calling a string, which of course fails.
>
> --
> Jarkko
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