[#uint256-GetUint64]
= xref:uint256.adoc[uint256]::GetUint64
:relfileprefix: ../
:mrdocs:

Reads a 64&hyphen;bit little&hyphen;endian word from the blob at a byte offset&period;

== Synopsis

Declared in `&lt;uint256&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
uint64&lowbar;t
GetUint64(int pos) const;
----

== Return Value

The 64&hyphen;bit value read from the blob&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *pos*
| The word index&semi; the read starts at byte offset pos &ast; 8&period;
|===


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