DIP69 - Implement scope for escape proof references

[Walter Bright via Digitalmars-d]

On 12/15/2014 3:34 AM, "Marc Schütz" <schuetzm at gmx.net>" wrote:
> No wonder this is error prone. I suspect that with a cleaner implementation most
> of these problems will go away.

Sometimes, it isn't possible to see a cleaner way unless the dirty version is 
written first. Sometimes, there isn't a cleaner way :-(

But there are more issues with inout than are in mtype.c. The template 
implementation is full of it.