[#mp_units-disable_representation-091]
= xref:mp_units.adoc[mp_units]::disable_representation
:relfileprefix: ../
:mrdocs:

A specializable opt‐out: when `true`, `T` is not accepted as a quantity representation.

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename T>
constexpr bool disable_representation = detail::is_quantity_abstraction<detail::value_type_t<T>>;
----

== Template Parameters

[cols="1,4"]
|===
| Name| Description
| *T*
| the representation type being checked
|===


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