Special Type Challenge

[via Digitalmars-d]

On Saturday, 7 February 2015 at 05:27:39 UTC, Andrei Alexandrescu 
wrote:
> On 2/6/15 8:28 PM, Jonathan Marler wrote:
>> Do you know if D might support that later or if there's a 
>> reason for not
>> supporting it?
>
> It's deliberate following the C++ experience. -- Andrei

Hasn't there been a debate about a hypothetical 
`opImplicitCast()`? The default would still be off, but you can 
opt-in by defining said method.