The other day I got an intriguing question from Sándor Dargó.
In “const all the things?” (2022-01-23)
I had written:
Returning “by const value” is always wrong. Full stop.
Sándor writes: “I was wondering — given that it’s really the case,
even the Core Guidelines says so,
and it seems to be easy to identify — do you know why
we don’t have compiler warnings for such return types?”