What's the deal with "Warning: explicit element-wise assignment..."

[Andrej Mitrovic via Digitalmars-d]

On 4/30/14, Andrei Alexandrescu via Digitalmars-d
<digitalmars-d at puremagic.com> wrote:
> On 4/29/14, 11:08 AM, bearophile wrote:
>> In Phobos there are awkward names like walkLength
>
> Love it. -- Andrei

std.algorithm.count also works with any input range, they can use that
if they don't like walkLength. Unless it has some limitations? I can't
think of any.