cannot be constexpr because the corresponding implicitly declared default constructor would not be constexpr /usr/local/include/boost/core/noncopyable.hpp(42): error: defaulted default constructor cannot be constexpr because the corresponding implicitly declared default constructor would not be constexpr ...
An expression contains a multiplication or division operation over integer data types. The resulting value is implicitly cast to a floating-point type. When detecting this, the analyzer warns you...