[#Cat-05d]
= Cat
:mrdocs:

Concatenate two vectors.

== Synopsis

Declared in `<util/vector.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename V>
V
Cat(
    V v1,
    V const& v2);
----

== Return Value

v1 with the elements of v2 appended.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *v1*
| The first vector, taken by value and used as the result.
| *v2*
| The second vector, whose elements are copied onto the end of v1.
|===


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