The new std.process is ready for review

[Vladimir Panteleev]

On Tuesday, 12 March 2013 at 14:09:55 UTC, Steven Schveighoffer 
wrote:
>> Yes. That use of the "is" operator is mainly to allow updating 
>> the value
>
> you meant "in", not "is", right?

Yes. Sorry, the keys are right next to each other :)

>> without looking up the key twice. This behavior could be 
>> implemented using a proxy object, but this is not what I was 
>> talking about. I meant the specific case of "if (key in 
>> environment)".
>
> I think Valdimir wants to have opIn_r return bool?

Returning the string (doing the same as ".get(key, null)") should 
have the same effect in an if statement.