[#bsl-vector-0ec-2constructor-0de]
= xref:bsl.adoc[bsl]::xref:bsl/vector-0ec.adoc[vector<unsigned int>]::vector
:relfileprefix: ../../
:mrdocs:

Create an empty vector. Optionally specify a `basicAllocator` used to supply memory. If `basicAllocator` is not specified, a default‐constructed object of the (template parameter) type `ALLOCATOR` is used. If the type `ALLOCATOR` is `bsl::allocator` and `basicAllocator` is not supplied, the currently installed default allocator is used. Note that a `bslma::Allocator *` can be supplied for `basicAllocator` if the type `ALLOCATOR` is `bsl::allocator` (the default).

== Synopsis

Declared in `<bslstl_vector.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
vector(xref:bsl/allocator-0df.adoc[allocator<unsigned int>] const& basicAllocator) noexcept;
----


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