Method operator -

include/null.h:132–132

     inline bool operator != (const cpp::Variant &v) const{ return !v.isNull(); }

     inline null operator - () const { return hx::NullArithmetic("-"); }
     inline null operator ! () const { return hx::NullArithmetic("!"); }

     template<class T> T operator()(const AnyArg &a0=0, const AnyArg &a1=0, const AnyArg &a2=0,