Variable-length stack allocated arrays

[Walter Bright]

grauzone wrote:
> Andrei Alexandrescu wrote:
>> That being said, I like stack-allocated and I asked Walter for a long 
>> time to introduce them in the language. They have their problems though.
> They can just be disabled in safe mode, if that's the problem.

One of the problems is they can easily lead to stack exhaustion. Stack 
sizes for a thread must all be preallocated.