const challenge

[Sean Kelly]

Walter Bright wrote:
> Janice Caron wrote:
>> Still - nobody here was suggesting unique "on a whim". Rather, it was
>> to solve a class of problems, the most obvious of which is to allow
>> the following to compile:
>>
>>     string s;
>>     char[] t;
>>     char[] u = "hello" ~ s ~ t;
> 
> I understand that's a problem. The solution, however, doesn't need
> unique. It can be solved by having the result type of ~ be a polysemous
> type, i.e. its type is based on how it is used.

Awesome.  I was wondering if that's where we were going with this.


Sean