[#absl-c_find_first_of-027]
= xref:absl.adoc[absl]::c_find_first_of
:relfileprefix: ../
:mrdocs:

`c_find_first_of` overloads

== Synopses

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

Container‐based version of the <algorithm> `std::find_first_of()` function to find the first element within the container that is also within the options container.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename C1,
    typename C2>
constexpr
/* implementation-defined */
xref:absl/c_find_first_of-029.adoc[c_find_first_of](
    C1& container,
    C2 const& options);
----

[.small]#xref:absl/c_find_first_of-029.adoc[_» more..._]#

Overload of `c_find_first_of()` for using a predicate evaluation other than `==` as the function's test condition.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename C1,
    typename C2,
    typename BinaryPredicate>
constexpr
/* implementation-defined */
xref:absl/c_find_first_of-04.adoc[c_find_first_of](
    C1& container,
    C2 const& options,
    BinaryPredicate&& pred);
----

[.small]#xref:absl/c_find_first_of-04.adoc[_» more..._]#

== Return Value

* An iterator to the first element of `container` also found in `options`, or the end iterator if none is found.
* An iterator to the first element of `container` matching an element of `options`, or the end iterator if none is found.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *container*
| The container to search.
| *options*
| The container of values to search for.
| *pred*
| The binary predicate used to compare elements.
|===


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