Let's get the semantic around closure fixed.

[Ola Fosheim Grostad]

On Wednesday, 19 May 2021 at 20:56:10 UTC, Paul Backus wrote:
> On Wednesday, 19 May 2021 at 19:01:59 UTC, Walter Bright wrote:
> If closuras causing "hidden" allocations is problematic, from a 
> language-design perspective, then it's problematic whether it 
> occurs inside a loop or not. Either we should (a) deprecate and 
> remove GC-allocated closures entirely, or (b) make them work 
> correctly in all cases.

Or better, acknowledge that there is a difference between low 
level and high level projects (or libraries), and let low level 
programmers get warnings that they can silence while allowing 
high level programmers to have an easy life.