Forbid dynamic arrays in boolean evaluation contexts

[Daniel Murphy]

"bearophile" <bearophileHUGS at lycos.com> wrote in message 
news:bwgnbflygowctlisistg at forum.dlang.org...
> So my proposal of Issue 4733 is to forbid (with the usual 
> warning/deprecation intermediate steps) the use of dynamic arrays in a 
> boolean context:

I am in favour of deprecating/removing this, then bringing it back so that
if (arr)
is the same as
if (arr.length)