[#absl-equal-09e]
= xref:absl.adoc[absl]::equal
:relfileprefix: ../
:mrdocs:

Determines whether two bounded ranges are equal using a custom predicate&period;

== Synopsis

Declared in `&lt;absl&sol;algorithm&sol;algorithm&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;
    class InputIt1,
    class InputIt2,
    class BinaryPredicate&gt;
&lsqb;&lsqb;deprecated&rsqb;&rsqb;
constexpr
bool
equal(
    InputIt1 first1,
    InputIt1 last1,
    InputIt2 first2,
    InputIt2 last2,
    BinaryPredicate p);
----

[WARNING]
====
https://en.cppreference.com/cpp/language/attributes/deprecated[Deprecated^]. Use of this entity is allowed but discouraged.
====
== Description

Compares the elements in the range `&lsqb;first1, last1)&rsqb;` with the range `&lsqb;first2, last2)&rsqb;`, using the binary predicate `p`&period;

== Return Value

`true` if the two ranges have equal length and every compared pair of elements satisfies `p`&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *first1*
| Iterator to the first element of the first range&period;
| *last1*
| Iterator one past the last element of the first range&period;
| *first2*
| Iterator to the first element of the second range&period;
| *last2*
| Iterator one past the last element of the second range&period;
| *p*
| Binary predicate used to compare corresponding elements&period;
|===


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