About the nullptr source code

struct __nat {int __for_bool_;};
_LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR nullptr_t(int __nat::*) : __lx(0) {}
_LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR operator int __nat::*() const {return 0;}
What is the use of

?

CPP
May.09,2021
Menu