[#mp_units-one-07]
= xref:mp_units.adoc[mp_units]::one
:relfileprefix: ../
:mrdocs:

The unique instance of the unit one.

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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inline constexpr xref:mp_units/one-0f.adoc[one] one;
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