[#node-MergeMiningOptions]
= xref:node.adoc[node]::MergeMiningOptions
:relfileprefix: ../
:mrdocs:

Merge two BlockCreateOptions structs, replacing null values in `x` with non‐null values from `y.`

== Synopsis

Declared in `<node/mining_args.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[nodiscard]]
xref:node/BlockCreateOptions.adoc[BlockCreateOptions]
MergeMiningOptions(
    xref:node/BlockCreateOptions.adoc[BlockCreateOptions] x,
    xref:node/BlockCreateOptions.adoc[BlockCreateOptions] const& y);
----

== Return Value

The merged block‐creation options.

[NOTE]
====
The return value https://en.cppreference.com/cpp/language/attributes/nodiscard[should not be discarded^].
====
== Parameters

[cols="1,4"]
|===
| Name| Description
| *x*
| The base options whose null fields are filled in.
| *y*
| The options supplying values for the null fields of `x.`
|===


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