[fpc-pascal] C# stackalloc

[Michael Van Canneyt]

On Sat, 2 Jun 2018, Ryan Joseph wrote:

> As a sanity check for myself if you remember a while ago I posted about an idea for “stack aliases” to override the memory allocation for classes. No one really liked the idea and lots of potential safety concerns were raised (fair criticisms).
>
> By random chance today I came upon this feature of C# which basically does the same thing I was suggesting, as a way to override the default functionality of C# to allocate everything on the heap and garbage collect later. The reason stated for the feature is because it’s an optimization over the default heap-only allocation enforced for arrays.
>
> So it looks like my idea wasn’t that crazy after all. ;) Granted C# needs this feature more than FPC does because C# amazingly can’t allocate arrays on the stack otherwise (now that’s crazy!) but never the less the inclusion of “stackalloc” in C# gives the idea some credibility for FPC.
>
> https://www.c-sharpcorner.com/uploadfile/GemingLeader/creating-a-stack-based-array/



2 remarks:
1. It's only for arrays
2. It's for fixed-length arrays

So you can do this in FPC today.

Thirdly, you have objects which can be allocated on the stack, or advanced
records.

Plenty of choice for you.

Michael.