...programmers aren't able to write their allocations correctly.

I don't think this is...

...the OP's example, yeah worrying about allocations is totally blowing things out of proportions...

...really don't give a damn about allocations .. not one little bit ;-)

Now if I...

...exactly?

The program is filter, or sort + partition. Requires 0 allocations in C or D.

...with necessity, be able to write their allocations correctly, and not hide under a rug...

...some allocations, repeating a bunch of times, and then comparing addresses of remaining allocations with...

...Lua 5.1 interface with minimal GC allocations: https://github.com/BradleyChatha/lumars

* A -betterC...

...problems.  If we were to permit array allocations in pure code, then we must necessarily...

...a pointer but doesn't make any allocations or anything, then you would need to...

...sure they don't do useless GC allocations and are using Span/stackalloc/ValueTysk everywhere...