[#absl-equal-0b]
= xref:absl.adoc[absl]::equal
:relfileprefix: ../
:mrdocs:

`equal` overloads

== Synopses

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

Determines whether two ranges are equal.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class InputIt1,
    class InputIt2>
[[deprecated]]
constexpr
bool
xref:absl/equal-0c.adoc[equal](
    InputIt1 first1,
    InputIt1 last1,
    InputIt2 first2);
----

[.small]#xref:absl/equal-0c.adoc[_» more..._]#

Determines whether two bounded ranges are equal.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class InputIt1,
    class InputIt2>
[[deprecated]]
constexpr
bool
xref:absl/equal-099.adoc[equal](
    InputIt1 first1,
    InputIt1 last1,
    InputIt2 first2,
    InputIt2 last2);
----

[.small]#xref:absl/equal-099.adoc[_» more..._]#

Determines whether two ranges are equal using a custom predicate.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class InputIt1,
    class InputIt2,
    class BinaryPredicate>
[[deprecated]]
constexpr
bool
xref:absl/equal-07.adoc[equal](
    InputIt1 first1,
    InputIt1 last1,
    InputIt2 first2,
    BinaryPredicate p);
----

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

Determines whether two bounded ranges are equal using a custom predicate.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class InputIt1,
    class InputIt2,
    class BinaryPredicate>
[[deprecated]]
constexpr
bool
xref:absl/equal-09e.adoc[equal](
    InputIt1 first1,
    InputIt1 last1,
    InputIt2 first2,
    InputIt2 last2,
    BinaryPredicate p);
----

[.small]#xref:absl/equal-09e.adoc[_» more..._]#

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

* `true` if the two ranges compare element‐wise equal.
* `true` if the two ranges have equal length and compare element‐wise equal.
* `true` if every compared pair of elements satisfies `p`.
* `true` if the two ranges have equal length and every compared pair of elements satisfies `p`.

== Parameters

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


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