[#mp_units-utility-fill_t]
= xref:mp_units.adoc[mp&lowbar;units]::xref:mp_units/utility.adoc[utility]::fill&lowbar;t
:relfileprefix: ../../
:mrdocs:

The fill character(s) of a `std&hyphen;format&hyphen;spec`, storing at most one Unicode code point&period;

== Synopsis

Declared in `&lt;mp&hyphen;units&sol;utility&sol;format&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;typename Char&gt;
struct fill&lowbar;t;
----

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:mp_units/utility/fill_t/operator_assign.adoc[`operator&equals;`] 
| Replaces the fill with the code point stored in `str&period;`
| xref:mp_units/utility/fill_t/data.adoc[`data`] 
| A pointer to the fill&apos;s code units&period;
| xref:mp_units/utility/fill_t/operator_subs-0a.adoc[`operator&lsqb;&rsqb;`] 
| Accesses the code unit at `index&period;`
| xref:mp_units/utility/fill_t/size.adoc[`size`] 
| The number of code units in the fill&period;
|===



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