Top Answers

1. Why do I need angle brackets in <$a> when implementing macro based on type?
   9 votes
2. In Rust, what's the pattern for when you need a reference-holding struct to sometimes own its referenced data?
   9 votes
3. Generic function to compute a hash (digest::Digest trait) and get back a String
   6 votes
4. Why is is_trivially_copyable_v different in GCC and MSVC?
   6 votes
5. shared_from_this() returns std::shared_ptr<const X>, not std::shared_ptr<X>
   6 votes