More D newb questions.

[Steven Schveighoffer]

"Walter Bright" wrote
> Me Here wrote:
>>> Secondly, what about
>>> structs? Should structs behave like basic types, or like arrays here? (I
>>> discussed this conundrum further in another post in this thread.)
>>
>> If the struct has a opCat method with match type signature, dispatch to 
>> it.
>> If not, raise an error.
>
> One of the principles of D is that a struct can be used to 'wrap' any 
> type, and be able to behave like that type. So for your proposal:
>
> struct S { char c; }
> S s;
> char c;
> c ~ c => char[]
> s ~ s => error!

struct S { char c; S[] opCat(S s) {return [*this, s];} }

c ~ c => char[]
s ~ s => S[]

What is the problem with that?

-Steve