[#absl-c_copy_if]
= xref:absl.adoc[absl]::c_copy_if
:relfileprefix: ../
:mrdocs:

Container‐based version of the <algorithm> `std::copy_if()` function to copy a container's elements satisfying some condition into an iterator.

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename InputSequence,
    typename OutputIterator,
    typename Pred>
constexpr
OutputIterator
c_copy_if(
    InputSequence const& input,
    OutputIterator output,
    Pred&& pred);
----

== Return Value

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

== Parameters

[cols="1,4"]
|===
| Name| Description
| *input*
| The container whose elements to copy.
| *output*
| The output iterator receiving the copied elements.
| *pred*
| The predicate selecting which elements to copy.
|===


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