[#absl-crc32c_t]
= xref:absl.adoc[absl]::crc32c_t
:relfileprefix: ../
:mrdocs:

A strongly‐typed integer for holding a CRC32C value.

== Synopsis

Declared in `<absl/crc/crc32c.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
class crc32c_t final
----

== Description

Some operators are intentionally omitted. Only equality operators are defined so that `crc32c_t` can be directly compared. Methods for putting `crc32c_t` directly into a set are omitted because this is bug‐prone due to checksum collisions. Use an explicit conversion to the `uint32_t` space for operations that treat `crc32c_t` as an integer.

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:absl/crc32c_t/2constructor-09.adoc[`crc32c_t`]         [.small]#[constructor]#
| Constructors
| xref:absl/crc32c_t/operator_assign.adoc[`operator=`] 
| Copy‐assign a CRC32C value.
| xref:absl/crc32c_t/2conversion.adoc[`operator uint32_t`] 
| Convert the CRC32C value to its raw 32‐bit checksum.
|===


== Friends

[cols="1,4"]
|===
| Name| Description
| `xref:absl/AbslStringify-068.adoc[absl::AbslStringify]`
| Format a CRC32C value as an eight‐digit hexadecimal string.
| `xref:absl/operator_not_eq-07d.adoc[absl::operator!=]`
| Compare two CRC32C values for inequality.
| `xref:absl/operator_eq-0e53.adoc[absl::operator==]`
| Compare two CRC32C values for equality.
|===

== Non-Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:absl/ComputeCrc32c.adoc[`ComputeCrc32c`]
| Compute the CRC32C value of the provided string.
| xref:absl/ConcatCrc32c.adoc[`ConcatCrc32c`]
| Compute the CRC32C value of two concatenated buffers.
| xref:absl/ExtendCrc32c.adoc[`ExtendCrc32c`]
| Compute a CRC32C value from an existing value and an additional buffer.
| xref:absl/ExtendCrc32cByZeroes.adoc[`ExtendCrc32cByZeroes`]
| Extend a CRC32C value as if trailing zero bytes were appended.
| xref:absl/MemcpyCrc32c.adoc[`MemcpyCrc32c`]
| Copy bytes while computing the CRC32C value of the copied data.
| xref:absl/RemoveCrc32cPrefix.adoc[`RemoveCrc32cPrefix`]
| Compute the CRC32C value of a buffer with a prefix removed.
| xref:absl/RemoveCrc32cSuffix.adoc[`RemoveCrc32cSuffix`]
| Compute the CRC32C value of a buffer with a suffix removed.
|===


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