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

Specifies the _accepted_ conversion types as a template parameter to FormatConvertResult for custom implementations of `AbslFormatConvert`.

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
enum class FormatConversionCharSet : uint64_t;
----

== Description

Note the helper predefined alias definitions (kIntegral, etc.) below.

== Members

[cols="1,4"]
|===
| Name| Description
| `c` 
| Accepts the `c` (character) conversion.
| `s` 
| Accepts the `s` (string) conversion.
| `d` 
| Accepts the `d` (signed decimal integer) conversion.
| `i` 
| Accepts the `i` (signed decimal integer) conversion.
| `o` 
| Accepts the `o` (unsigned octal integer) conversion.
| `u` 
| Accepts the `u` (unsigned decimal integer) conversion.
| `x` 
| Accepts the `x` (unsigned hexadecimal integer) conversion.
| `X` 
| Accepts the `X` (unsigned hexadecimal integer, uppercase) conversion.
| `f` 
| Accepts the `f` (decimal floating‐point) conversion.
| `F` 
| Accepts the `F` (decimal floating‐point, uppercase) conversion.
| `e` 
| Accepts the `e` (exponential floating‐point) conversion.
| `E` 
| Accepts the `E` (exponential floating‐point, uppercase) conversion.
| `g` 
| Accepts the `g` (general floating‐point) conversion.
| `G` 
| Accepts the `G` (general floating‐point, uppercase) conversion.
| `a` 
| Accepts the `a` (hexadecimal floating‐point) conversion.
| `A` 
| Accepts the `A` (hexadecimal floating‐point, uppercase) conversion.
| `n` 
| Accepts the `n` (character‐count) conversion.
| `p` 
| Accepts the `p` (pointer) conversion.
| `v` 
| Accepts the `v` (default‐for‐deduced‐type) conversion.
| `kStar` 
| Used for width/precision '*' specification.
| `kIntegral` 
| Accepts any integral conversion.
| `kFloating` 
| Accepts any floating‐point conversion.
| `kNumeric` 
| Accepts any numeric conversion.
| `kString` 
| Accepts the string conversion.
| `kPointer` 
| Accepts the pointer conversion.
|===


== Non-Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:absl/operator_bitor-0a.adoc[`operator|`]
| Type safe OR operator for FormatConversionCharSet to allow accepting multiple conversion chars in custom format converters.
|===


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