uni20::TensorView Concept Reference

Tensor-level object exposing readable multidimensional metadata and a backend selector. More...

#include <concepts.hpp>

Concept definition

template<class T>
concept uni20::TensorView =  (!MdspecLike<T>) && requires(std::remove_reference_t<T> const& tensor) {
  typename std::remove_cvref_t<detail::normalized_const_mdspec_t<T>>::extents_type;
  tensor.backend_selector();
  mdspec_of(tensor);
  {
    tensor.extents()
  } -> std::convertible_to<typename std::remove_cvref_t<detail::normalized_const_mdspec_t<T>>::extents_type>;
  {
    tensor.extent(std::size_t{})
  } -> std::convertible_to<typename std::remove_cvref_t<detail::normalized_const_mdspec_t<T>>::index_type>;
} && MdspecLike<detail::normalized_const_mdspec_t<T>>

Detailed Description

Tensor-level object exposing readable multidimensional metadata and a backend selector.

A model exposes an immediate or descriptor-backed MdspecLike through mdspec_of(). Explicit access acquisition resolves that metadata into an ImmediateTensorView governed by an RAII lease. The policy-bearing tensor object does not itself model MdspecLike.