[#absl-c_unique_copy-0f]
= xref:absl.adoc[absl]::c_unique_copy
:relfileprefix: ../
:mrdocs:

`c_unique_copy` overloads

== Synopses

Declared in `<absl/algorithm/container.h>`

Container‐based version of the <algorithm> `std::unique_copy()` function to copy a container's elements while removing any elements containing duplicate values.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename C,
    typename OutputIterator>
constexpr
OutputIterator
xref:absl/c_unique_copy-076.adoc[c_unique_copy](
    C const& c,
    OutputIterator result);
----

[.small]#xref:absl/c_unique_copy-076.adoc[_» more..._]#

Overload of `c_unique_copy()` for using a predicate evaluation other than `==` for comparing uniqueness of the element values.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename C,
    typename OutputIterator,
    typename BinaryPredicate>
constexpr
OutputIterator
xref:absl/c_unique_copy-07d.adoc[c_unique_copy](
    C const& c,
    OutputIterator result,
    BinaryPredicate&& pred);
----

[.small]#xref:absl/c_unique_copy-07d.adoc[_» more..._]#

== Return Value

An iterator to the end of the copied range in the output.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *c*
| The container whose elements to copy.
| *result*
| The output iterator receiving the copied elements.
| *pred*
| The binary predicate used to compare adjacent elements.
|===


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