[#HashWriter-GetHash]
= xref:HashWriter.adoc[HashWriter]::GetHash
:relfileprefix: ../
:mrdocs:

Compute the double‐SHA256 hash of all data written to this object.

== Synopsis

Declared in `<hash.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:uint256.adoc[uint256]
GetHash();
----

== Description

Invalidates this object.

== Return Value

The double‐SHA‐256 hash of all written data.


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