[#CSipHasher-Write-07]
= xref:CSipHasher.adoc[CSipHasher]::Write
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:mrdocs:

`Write` overloads

== Synopses

Declared in `<crypto/siphash.h>`

Hash a 64‐bit integer worth of data. It is treated as if this was the little‐endian interpretation of 8 bytes. This function can only be used when a multiple of 8 bytes have been written so far.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:CSipHasher.adoc[CSipHasher]&
xref:CSipHasher/Write-095.adoc[Write](uint64_t data);
----

[.small]#xref:CSipHasher/Write-095.adoc[_» more..._]#

Hash arbitrary bytes.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:CSipHasher.adoc[CSipHasher]&
xref:CSipHasher/Write-099.adoc[Write](std::span<unsigned char const> data);
----

[.small]#xref:CSipHasher/Write-099.adoc[_» more..._]#

== Return Value

Reference to this object, to allow chaining.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *data*
| The 64‐bit value to hash.
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#