Dynamic array creation with default

[Michel Fortin]

On 2011-08-24 11:17:08 +0000, "Steven Schveighoffer" 
<schveiguy at yahoo.com> said:

> It's actually possible, but ugly:
> 
> auto ptr = (new int[10][](1)).ptr;
> 
> One really interesting thing to note -- the compiler actually turns 
> struct  allocations into array-of-one allocations in the runtime.  So 
> this is  likely what the compiler would do if it supported direct heap 
> allocation  of fixed-sized arrays.

A problem with this approach is that it won't work in safe mode because 
accessing the .ptr property of an array is unsafe in general. But it is 
perfectly safe to allocate a static array on the GC heap, so it should 
be allowed…

-- 
Michel Fortin
michel.fortin at michelf.com
http://michelf.com/