[#mp_units-is_complex]
= xref:mp_units.adoc[mp&lowbar;units]::is&lowbar;complex
:relfileprefix: ../
:mrdocs:

== Synopsis

Declared in `&lt;mp&hyphen;units&sol;framework&sol;customization&lowbar;points&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
&lsqb;&lsqb;deprecated(&quot;2&period;5&period;0&colon; &grave;is&lowbar;complex&grave; is no longer necessary and can simply be removed&quot;)&rsqb;&rsqb;
template&lt;typename Rep&gt;
constexpr bool is&lowbar;complex = false;
----

[WARNING]
====
https://en.cppreference.com/cpp/language/attributes/deprecated[Deprecated^]: 2&period;5&period;0&colon; &grave;is&lowbar;complex&grave; is no longer necessary and can simply be removed. Use of this entity is allowed but discouraged.
====

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