[#mp_units-representation_values]
= xref:mp_units.adoc[mp&lowbar;units]::representation&lowbar;values
:relfileprefix: ../
:mrdocs:

A type trait that defines zero, one, min, and max for a representation type

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;typename Rep&gt;
struct representation&lowbar;values
    : std::chrono::duration&lowbar;values&lt;Rep&gt;
----

== Description

The zero, one, min, and max member functions in mp&lowbar;units&colon;&colon;quantity forward their work to these methods&period; This type can be specialized if the representation Rep requires a specific implementation to return these quantity objects&period;

== Base Classes

[cols="1,4"]
|===
|Name|Description

| `std::chrono::duration&lowbar;values&lt;Rep&gt;`
| 
|===

== Static Member Functions

[cols=1]
|===
| Name
| xref:mp_units/representation_values/one.adoc[`one`] 
|===

== Template Parameters

[cols="1,4"]
|===
|Name|Description

| *Rep*
| a representation type for which a type trait is defined
|===


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