------------------------------------------------------------------------- function : back @brief return an iterator to the last element of the range @

get iterator to begin vertex data

retrieving the value

for the benefit of AugmentPolicy::augmented_interface */

Non-member functions: inline RR acos(RR a) { return ::NTL::acos(a.value()); } */

[mdspan.extents.cons], constructors

! * \return The attribute value type */

Reset pointer.

Returns a representation of the underlying path as a std::string Requires: is_wide() returns false

Returns the payload size of the body When this body is used with @ref message::prepare_payload, the Content-Length will be set to the