On Thursday, 8 October 2015 at 13:44:46 UTC, bitwise wrote:
That still doesn't explain what you mean about it being illegal in other languages or why you brought up C# in the first place.
Illegal means the resulting program behaves incorrectly, potentially leading to silent failures and data corruption. C# is a language that allows such bugs, and D disallows them - treats such code as invalid and rejects.
