Return 'this' proposal

[Joseph D. Darcy]

Reinier Zwitserloot wrote:
> Joe,
>
> What's the coin viability for a proposal that does NOT change the type  
> system, but just introduces syntax sugar that translates:
>
> expression.setBar().setBaz();
>
> to:
>
> TypeOfExpression $unique = expression;
> $unique.setBar();
> $unique.setBaz();
>   

I'm not in favor of language changes which retrofit a fluent interface 
on an API not designed to have one.

-Joe