Foo Foo = new Foo();

[FeepingCreature]

On Sunday, 21 February 2021 at 18:07:49 UTC, JN wrote:
> class Foo
> {
> }
>
> void main()
> {
>     Foo Foo = new Foo();
> }
>
> this kind of code compiles. Is this expected to compile?

Yes, why wouldn't it? main is a different scope than global; you 
can override identifiers from global in main. And "Foo" only 
exists after the declaration, so it doesn't conflict.