[#WitnessUnknown]
= WitnessUnknown
:mrdocs:

CTxDestination subtype to encode any future Witness version.

== Synopsis

Declared in `<addresstype.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
struct WitnessUnknown;
----

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:WitnessUnknown/2constructor-0d.adoc[`WitnessUnknown`]         [.small]#[constructor]#
| Constructors
| xref:WitnessUnknown/GetWitnessProgram.adoc[`GetWitnessProgram`] 
| Return the witness program bytes.
| xref:WitnessUnknown/GetWitnessVersion.adoc[`GetWitnessVersion`] 
| Return the witness version.
|===


== Friends

[cols="1,4"]
|===
| Name| Description
| `xref:operator_lt-0d.adoc[operator<]`
| Order two destinations by version, then by program.
| `xref:operator_eq-04e.adoc[operator==]`
| Compare two destinations for equality by version and program.
|===

== Derived Classes

[cols="1,4"]
|===
| Name| Description
| xref:PayToAnchor.adoc[`PayToAnchor`] 
| A pay‐to‐anchor destination for a P2A address.
|===


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