dlang.org redesign -- a better code sample for landing page

[bearophile via Digitalmars-d]

aldanor:

>     auto lines = stdin.byLine.map!(line => line.length);
>     writefln("Average line length: %.4f.", 1.0 * lines.sum / 
> lines.array.length);
>
> Ofc this is not the greatest piece of code ever and it's not 
> lazy,

lines.walklength seems better than lines.array.length, but you 
can also use a reduce with two functions (a sum and a counting 
one), scanning the input file only once.


> oh wait, that and a lack of a "mean" function in the standard 
> library...

Yes, it's worth adding to Phobos.

Bye,
bearophile