Initializing a fixed sized array

[Jonathan M Davis]

On Saturday, June 01, 2013 08:16:47 finalpatch wrote:
> This form is nice:
> 
> int[3] x = [1,2,3];
> 
> But it is horribly inefficient because it
> 
> 1. allocates a dynamic array from the GC
> 2. writes 1,2,3 to the dynamic array
> 3. copies the 1,2,3 back to the static array

Are you sure that that still allocates? I thought that that had been fixed. If 
it hasn't, it will be. The issue is completely temporary and not intended to 
be the case long term.

Now, assuming that you're right and that still allocates, it's trivial to 
create a variadic function to initialize it for you by essentially generating

int[3] x;
x[0] = 1;
x[1] = 2;
x[2] = 3;

for you. So, it's easy enough to get around, but the problem should either 
already be fixed in the compiler, or if not, it will be at some point in the 
near future.

- Jonathan M Davis