It seems 'any' calls 'mapreduce' which calls 'mapfoldl' which has a
specialization that will stop computing in the case of searching for a
single true or false value. However, it seems the call to mapreduce instead
goes to a more specific method that doesn't implement this shortcut. If
'any' were to call mapfoldl directly, it would do the lazy computing.
On Thursday, June 18, 2015 at 11:18:12 AM UTC-4, Seth wrote:
>
>
>
> julia> function bar(x)
> info("bar $x")
> x
> end
> bar (generic function with 1 method)
>
> julia> any(v->bar(v), [false, false, true, false, false])
> INFO: bar false
> INFO: bar false
> INFO: bar true
> INFO: bar false
> INFO: bar false
> true
>
> Is there a reason the rest of the elements in the collection are evaluated
> after the first true is encountered?
>
