[#nlohmann-ordered_map-2constructor-03]
= xref:nlohmann.adoc[nlohmann]::xref:nlohmann/ordered_map.adoc[ordered_map]::ordered_map
:relfileprefix: ../../
:mrdocs:

Construct from `Allocator`

== Synopsis

Declared in `<nlohmann/ordered_map.hpp>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
ordered_map(Allocator const& alloc) noexcept(noexcept(Container(alloc)));
----

== Parameters

[cols=2]
|===
| Name
| Description
| *alloc*
| The object to copy construct from
|===


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