Reduce help..

[Vladimir Panteleev]

On Fri, 02 Sep 2011 20:11:38 +0300, Andrej Mitrovic  
<andrej.mitrovich at gmail.com> wrote:

> string[2][] results;
> results ~= ["foo", ""];
> results ~= ["foobar", ""];
>
> size_t len;
> foreach (res; results)
> {
>     len = max(len, res[0].length);
> }
>
> That gives me '6'. I want to convert this to functional-style code
> with reduce. I've tried:
>
> len = reduce!(max!"a[0].length")(results);
>
> That's not it. Any clues?

Here's another way which doesn't use map:

len = reduce!`max(a, b[0].length)`(0, results);

-- 
Best regards,
  Vladimir                            mailto:vladimir at thecybershadow.net