[#Hash-0a]
= Hash
:mrdocs:

Compute the 256‐bit hash of the concatenation of two objects.

== Synopsis

Declared in `<hash.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename T1,
    typename T2>
xref:uint256.adoc[uint256]
Hash(
    T1 const& in1,
    T2 const& in2);
----

== Return Value

The 256‐bit double‐SHA‐256 hash of the two objects concatenated.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *in1*
| The first object to hash.
| *in2*
| The second object to hash.
|===


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