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

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated("2.5.0: `is_scalar` is no longer necessary and can simply be removed")]]
template<typename Rep>
constexpr bool is_scalar = false;
----

[WARNING]
====
https://en.cppreference.com/cpp/language/attributes/deprecated[Deprecated^]: 2.5.0: `is_scalar` is no longer necessary and can simply be removed. Use of this entity is allowed but discouraged.
====

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