[#absl-AlphaNum-2constructor-0f1]
= xref:absl.adoc[absl]::xref:absl/AlphaNum.adoc[AlphaNum]::AlphaNum
:relfileprefix: ../../
:mrdocs:

Constructs an `AlphaNum` from an unscoped enum.

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename T>
requires std::is_enum<T>{} &&
                                        std::is_convertible<T, int>{} &&
                                        !HasAbslStringify<T>::value
AlphaNum(T e);
----

== Description

Uses integral promotion so that a `char`‐backed enum becomes a wider integral type `AlphaNum` will accept.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *e*
| The enum value to convert.
|===


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