[#absl-c_adjacent_difference-08]
= xref:absl.adoc[absl]::c_adjacent_difference
:relfileprefix: ../
:mrdocs:

Container‐based version of the <numeric> `std::adjacent_difference()` function to compute the difference between each element and the one preceding it and write it to an iterator.

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename InputSequence,
    typename OutputIt>
constexpr
OutputIt
c_adjacent_difference(
    InputSequence const& input,
    OutputIt output_first);
----

== Return Value

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

== Parameters

[cols="1,4"]
|===
| Name| Description
| *input*
| The container whose elements to process.
| *output_first*
| The output iterator receiving the differences.
|===


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