operator()

enables calling an std::hash object as a function with the object to be hashed as a parameter

std::size_t operator()(const cl::sycl::buffer<T, dimensions, AllocatorT> & object) const

1. enables calling an std::hash object as a function with the object to be hashed as a parameter
   Parameters:
   • const cl::sycl::buffer<T, dimensions, AllocatorT> & object : the object to be hashed