Displaying 1 result from an estimated 1 matches for "4ba08a79".
2017 Apr 08
5
Spurious cast warning for C++?
How difficult would it be to add a warning to Clang when the programmer
performs a cast that provably has no effect?
A particular case I have in mind is someone getting confused and calling
std::move on an argument to a copy-constructor for a class that doesn't
implement move semantics.
I would be grateful if someone either (1) told me why this is
difficult/impossible, or (2) gave me some