In expression for array

[janderson]

kede wrote:
> Hi All,
> 
> How about adding In expressions for general arrays in addition to assoc arrays:
> 
>  if ('i' in eyes)
>  ...
> 
> as a simple replacement for the more verbose
>  foreach(c; eyes)
>    if (c == 'i')
>      ...
> 
> I think its a common enough pattern to warrant inclusion?
> 
> Have fun,
> kede


I think something like:

if (contains(eyes, 'i'))

and

auto value = find(eyes, 'i');

should be in the standard library.  It seems excessive to put 'in' in 
the language.

-Joel