std.stdio.File is throwing with the message of: "Access Violation"

[Kagamin]

On Wednesday, 18 August 2021 at 17:56:53 UTC, Ruby The Roobster 
wrote:
> When I removed those two lines of code, the program ran 
> perfectly without displaying any error or throwing any 
> exception...

The errors aren't always nicely located and can be elsewhere. Try 
to write a minimal runnable example. Also that cast won't work, 
you don't really know what you're doing there, use toStringz 
instead.