24n8 questions

• Cannot emplace_back() a braced initializer on a vector of vectors
• What is the point of making an argument that is passed by value constant?
• emplace_back() vs push_back when inserting a pair into std::vector
• How to write a function that can take in an array or a vector?
• Why is there a std::move in both <algorithm> and <utility>

24n8 answers