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[IGotD-]

On Wednesday, 6 November 2019 at 09:40:29 UTC, drug wrote:
> On 11/6/19 8:02 AM, Walter Bright wrote:
>
> For example in Rust it's very hard to implement tree where 
> nodes can point to both its parent and children because in 
> trivial case both parent and child node are borrow each other 
> that is impossible in Rust.

Trees are like computer science fundamentals and they are located 
in a wide variety of programs. Having a link to the parent is 
mandatory for doing a fast sorted walk through the elements in 
tree. You can do it rust but that means unsafe code and also you 
cannot use the memory management of Rust. Maybe with a reference 
counted object it will be easier.

I'm trying to wrap my head around that they created a language 
that cannot support simple, common and fundamental algorithms 
used for more than a half of a century. The designers of Rust 
should have known better.