Re: how to get top N distinct elements from range?

[Andrei Alexandrescu]

On 3/8/13 1:34 PM, Chris Cain wrote:

On Friday, 8 March 2013 at 18:17:22 UTC, bearophile wrote:

auto firstDistinct(Range)(Range r, in size_t n) {
bool[ForeachType!Range] mySet;

return r.filter!((k) {
if (k in mySet)
return false;
mySet[k] = true;
return true;
}).take(n);
}

I have to say, that's a great example of beautiful simplicity in
programming. Bravo.

Yah, impressive. Nice work bearophile.

Andrei