...Proposed grammar:

```diff
CommaExpression:
+   "class" ConstructorArgs|opt AnonBaseClassList|opt AggregateBody
+   "__commaExpr" '(' CommaExpression ')'
```

This would not...

...UserDefinedAttribute:
    @ ( TemplateArgumentList )
    @ TemplateSingleArgument
    @ Identifier ( NamedArgumentList[opt] )
    @ TemplateInstance
    @ TemplateInstance ( NamedArgumentList[opt] )

TemplateSingleArgument:
    Identifier
    FundamentalType
    CharacterLiteral
    StringLiteral...

...found here:
    - [Opt-in output](https://github.com/royalpinto007/d-drafts/blob/main/opt_in...

...distinguishes between this at runtime. I'd opt for a regular struct instead of mixin...

...with:

```bash
#!/bin/bash
ulimit -n 16384
/opt/your_vscode_bin_path "$@"
```

I hope that...

...must be an explicit ref)
  * allows to opt out of the default blit (memcpy struct...

...their program. I can't imagine implementing something like this without making it opt-in.

...reasoning). As a permanent compiler switch, the opt-in nature would prevent confusion, but that...

...live-like semantics).

I agree @live being opt-in per function is unsound, but forcing...

...in the proposal that was ``@live``, an opt-in analysis that does not communicate to...