[#btck-is_bitmask_enum-04]
= xref:btck.adoc[btck]::is&lowbar;bitmask&lowbar;enum
:relfileprefix: ../
:mrdocs:

Trait marking an enum as a bitmask&semi; specialize to `std&colon;&colon;true&lowbar;type` to opt in&period;

== Synopsis

Declared in `&lt;kernel&sol;bitcoinkernel&lowbar;wrapper&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;typename T&gt;
struct is&lowbar;bitmask&lowbar;enum
    : std::false&lowbar;type
----

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `std::false&lowbar;type`
| 
|===

== Specializations

[cols="1,4"]
|===
| Name| Description
| xref:btck/is_bitmask_enum-0b3.adoc[`is&lowbar;bitmask&lowbar;enum&lt;BlockCheckFlags&gt;`] 
| Marks BlockCheckFlags as a bitmask enum&period;
| xref:btck/is_bitmask_enum-0bf.adoc[`is&lowbar;bitmask&lowbar;enum&lt;ScriptVerificationFlags&gt;`] 
| Marks ScriptVerificationFlags as a bitmask enum&period;
|===



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