[#mp_units-tensor_order-0b]
= xref:mp_units.adoc[mp_units]::tensor_order<T>
:relfileprefix: ../
:mrdocs:

== Synopsis

Declared in `<mp‐units/framework/customization_points.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename T>
requires (!detail::has_ambiguous_order<T>)
constexpr std::size_t tensor_order<T> = detail::has_matrix_indexing<T>   ? std::size_t{2}
                                        : detail::has_vector_indexing<T> ? std::size_t{1}
                                                                         : std::size_t{0};
----


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