[#absl-AlphaNum-2constructor-019]
= xref:absl.adoc[absl]::xref:absl/AlphaNum.adoc[AlphaNum]::AlphaNum
:relfileprefix: ../../
:mrdocs:

Constructs an `AlphaNum` from a scoped 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

Casts to the underlying type, then uses integral promotion for the same reason as the unscoped enum overload.

== Parameters

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


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