Hi Dave,

I tried running your code. I did see a function being returned in both
cases. Am I doing something different?

Thanks
Guru


On Mon, Dec 9, 2013 at 12:09 PM, David Simmons <shortlypor...@gmail.com>wrote:

> Hi
>
> I have the following function:
>
> (defn group
>   [& validators]
>   (fn [m]
>     (reduce (fn [maps f]
>               (let [[m error-m] maps
>                     [new-map errors] (f m)]
>                   [new-map (vec (flatten (if errors (conj error-m errors)
> error-m)))]))
>
>             [m []]
>             validators
>             )))
>
> The following call (def foo group) returns a function. All as I'd expect.
> I then thought I'd replace the anonymous function with a named function...
>
> (defn validate
>   [maps f]
>   (let [[m error-m] maps
>         [new-map errors] (f m)]
>     [new-map (vec (flatten (if errors (conj error-m errors) error-m)))]))
>
>
> (defn group2
>   [& validators]
>   (fn [m]
>     (reduce validate
>             [m []]
>             validators
>             )))
> The following call (def foo group2) returns an empty vector. I would have
> though it would have returned a function. Am I missing something?
>
> cheers
>
> Dave
>
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