[#absl-PairFormatter-00]
= xref:absl.adoc[absl]::PairFormatter
:relfileprefix: ../
:mrdocs:

`PairFormatter` overloads

== Synopses

Declared in `<absl/strings/str_join.h>`

Function overload of PairFormatter() for using a default `AlphaNumFormatter()` for each Formatter in the pair.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
/* implementation-defined */::PairFormatterImpl</* implementation-defined */::AlphaNumFormatterImpl, /* implementation-defined */::AlphaNumFormatterImpl>
xref:absl/PairFormatter-04.adoc[PairFormatter](std::string_view sep);
----

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

Formats a `std::pair` by putting a given separator between the pair's `.first` and `.second` members. This formatter allows you to specify custom Formatters for both the first and second member of each pair.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename FirstFormatter,
    typename SecondFormatter>
/* implementation-defined */::PairFormatterImpl<FirstFormatter, SecondFormatter>
xref:absl/PairFormatter-02.adoc[PairFormatter](
    FirstFormatter f1,
    std::string_view sep,
    SecondFormatter f2);
----

[.small]#xref:absl/PairFormatter-02.adoc[_» more..._]#

== Return Value

* A formatter for `std::pair` elements using the default formatter.
* A formatter for `std::pair` elements.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *sep*
| The separator placed between the two members.
| *f1*
| The formatter for the pair's `.first` member.
| *f2*
| The formatter for the pair's `.second` member.
|===


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