[#absl-Uint128High64]
= xref:absl.adoc[absl]::Uint128High64
:relfileprefix: ../
:mrdocs:

Returns the higher 64‐bit value of a `uint128` value.

== Synopsis

Declared in `<absl/numeric/int128.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
uint64_t
Uint128High64(xref:absl/uint128.adoc[uint128] v);
----

== Return Value

The high‐order 64 bits of `v`.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *v*
| The value to inspect.
|===


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