[#CSipHasher-Write-095]
= xref:CSipHasher.adoc[CSipHasher]::Write
:relfileprefix: ../
:mrdocs:

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.

== Synopsis

Declared in `<crypto/siphash.h>`

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

== Return Value

Reference to this object, to allow chaining.

== Parameters

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


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