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

The main parameter type for `StrCat()` and `StrAppend()`.

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
class AlphaNum;
----

== Description

`AlphaNum` provides efficient conversion of numeric, boolean, decimal, and hexadecimal values (through the `Dec` and `Hex` types) into strings. `AlphaNum` should only be used as a function parameter. Do not instantiate `AlphaNum` directly as a stack variable.

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:absl/AlphaNum/2constructor-027.adoc[`AlphaNum`]         [.small]#[constructor]#
| Constructors
| xref:absl/AlphaNum/operator_assign.adoc[`operator=`]  [.small]#[deleted]#
| Deleted copy assignment; `AlphaNum` is not assignable.
| xref:absl/AlphaNum/Piece.adoc[`Piece`] 
| Returns the converted string as a view.
| xref:absl/AlphaNum/data.adoc[`data`] 
| Returns a pointer to the converted string data.
| xref:absl/AlphaNum/size.adoc[`size`] 
| Returns the size of the converted string.
|===


== Non-Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:absl/StrCat-00.adoc[`StrCat`]
| Merges five or more strings or numbers into a single string.
| xref:absl/StrCat-03.adoc[`StrCat`]
| Merges a single value into a string.
| xref:absl/StrCat-0d3.adoc[`StrCat`]
| Merges two strings or numbers into a single string.
| xref:absl/StrCat-0dd.adoc[`StrCat`]
| Merges three strings or numbers into a single string.
| xref:absl/StrCat-0f.adoc[`StrCat`]
| Merges four strings or numbers into a single string.
|===


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