[#absl-AlphaNum-2constructor-027]
= xref:absl.adoc[absl]::xref:absl/AlphaNum.adoc[AlphaNum]::AlphaNum
:relfileprefix: ../../
:mrdocs:

Constructors

== Synopses

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

Deleted copy constructor; `AlphaNum` is not copyable.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:absl/AlphaNum/2constructor-05.adoc[AlphaNum](xref:absl/AlphaNum.adoc[AlphaNum] const& other) = delete;
----

[.small]#xref:absl/AlphaNum/2constructor-05.adoc[_» more..._]#

Deleted: use string literals ":" instead of character literals ':'.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:absl/AlphaNum/2constructor-032.adoc[AlphaNum](char c) = delete;
----

[.small]#xref:absl/AlphaNum/2constructor-032.adoc[_» more..._]#

Constructs an `AlphaNum` from a `double`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:absl/AlphaNum/2constructor-035.adoc[AlphaNum](double f);
----

[.small]#xref:absl/AlphaNum/2constructor-035.adoc[_» more..._]#

Constructs an `AlphaNum` from a `float`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:absl/AlphaNum/2constructor-0c.adoc[AlphaNum](float f);
----

[.small]#xref:absl/AlphaNum/2constructor-0c.adoc[_» more..._]#

Constructs an `AlphaNum` from an `int`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:absl/AlphaNum/2constructor-026.adoc[AlphaNum](int x);
----

[.small]#xref:absl/AlphaNum/2constructor-026.adoc[_» more..._]#

Constructs an `AlphaNum` from a `long`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:absl/AlphaNum/2constructor-0e.adoc[AlphaNum](long x);
----

[.small]#xref:absl/AlphaNum/2constructor-0e.adoc[_» more..._]#

Constructs an `AlphaNum` from a `long long`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:absl/AlphaNum/2constructor-0bf.adoc[AlphaNum](long long x);
----

[.small]#xref:absl/AlphaNum/2constructor-0bf.adoc[_» more..._]#

Constructs an `AlphaNum` from an `absl::string_view`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:absl/AlphaNum/2constructor-033.adoc[AlphaNum](std::string_view pc);
----

[.small]#xref:absl/AlphaNum/2constructor-033.adoc[_» more..._]#

Constructs an `AlphaNum` from an `unsigned int`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:absl/AlphaNum/2constructor-0fc.adoc[AlphaNum](unsigned int x);
----

[.small]#xref:absl/AlphaNum/2constructor-0fc.adoc[_» more..._]#

Constructs an `AlphaNum` from an `unsigned long`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:absl/AlphaNum/2constructor-011.adoc[AlphaNum](unsigned long x);
----

[.small]#xref:absl/AlphaNum/2constructor-011.adoc[_» more..._]#

Constructs an `AlphaNum` from an `unsigned long long`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:absl/AlphaNum/2constructor-0b0.adoc[AlphaNum](unsigned long long x);
----

[.small]#xref:absl/AlphaNum/2constructor-0b0.adoc[_» more..._]#

Constructs an `AlphaNum` from a null‐terminated C string.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:absl/AlphaNum/2constructor-0f2.adoc[AlphaNum](char const* c_str);
----

[.small]#xref:absl/AlphaNum/2constructor-0f2.adoc[_» more..._]#

Constructs an `AlphaNum` from an unscoped enum.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename T>
requires std::is_enum<T>{} &&
                                        std::is_convertible<T, int>{} &&
                                        !HasAbslStringify<T>::value
xref:absl/AlphaNum/2constructor-0f1.adoc[AlphaNum](T e);
----

[.small]#xref:absl/AlphaNum/2constructor-0f1.adoc[_» more..._]#

Constructs an `AlphaNum` from a scoped enum.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename T>
requires std::is_enum<T>{} &&
                                             !std::is_convertible<T, int>{} &&
                                             !HasAbslStringify<T>::value
xref:absl/AlphaNum/2constructor-019.adoc[AlphaNum](T e);
----

[.small]#xref:absl/AlphaNum/2constructor-019.adoc[_» more..._]#

Constructs an `AlphaNum` from a `std::vector<bool>` element reference.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename T>
requires std::is_class_v<T> &&
          (std::is_same_v<T, std::vector<bool>::reference> ||
           std::is_same_v<T, std::vector<bool>::const_reference>)
xref:absl/AlphaNum/2constructor-0f8.adoc[AlphaNum](T e);
----

[.small]#xref:absl/AlphaNum/2constructor-0f8.adoc[_» more..._]#

Deleted to prevent brace initialization.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename T>
xref:absl/AlphaNum/2constructor-06.adoc[AlphaNum](std::initializer_list<T> list) = delete;
----

[.small]#xref:absl/AlphaNum/2constructor-06.adoc[_» more..._]#

Constructs an `AlphaNum` from a fixed‐size conversion buffer.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<size_t size>
xref:absl/AlphaNum/2constructor-0d.adoc[AlphaNum](/* implementation-defined */ const& buf);
----

[.small]#xref:absl/AlphaNum/2constructor-0d.adoc[_» more..._]#

Constructs an `AlphaNum` from a `std::basic_string`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename Allocator>
xref:absl/AlphaNum/2constructor-00.adoc[AlphaNum](std::basic_string<char, std::char_traits<char>, Allocator> const& str);
----

[.small]#xref:absl/AlphaNum/2constructor-00.adoc[_» more..._]#

Constructs an `AlphaNum` from a type with an `AbslStringify()` overload.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename T>
requires HasAbslStringify<T>::value
xref:absl/AlphaNum/2constructor-015.adoc[AlphaNum](
    T const& v,
    /* implementation-defined */::StringifySink&& sink = {});
----

[.small]#xref:absl/AlphaNum/2constructor-015.adoc[_» more..._]#

== Parameters

[cols="1,4"]
|===
| Name| Description
| *c*
| The character (not accepted).
| *f*
| The value to convert.
| *x*
| The value to convert.
| *pc*
| The string view to convert.
| *c_str*
| The null‐terminated string; null produces no output.
| *e*
| The enum value to convert.
| *buf*
| The buffer holding the already‐converted characters.
| *str*
| The string to convert.
| *v*
| The value to stringify.
| *sink*
| The sink used to hold the stringified result.
|===


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