[#btck-is_bitmask_enum-04]
= xref:btck.adoc[btck]::is_bitmask_enum
:relfileprefix: ../
:mrdocs:

Trait marking an enum as a bitmask; specialize to `std::true_type` to opt in.

== Synopsis

Declared in `<kernel/bitcoinkernel_wrapper.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename T>
struct is_bitmask_enum
    : std::false_type
----

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `std::false_type`
| 
|===

== Specializations

[cols="1,4"]
|===
| Name| Description
| xref:btck/is_bitmask_enum-0b3.adoc[`is_bitmask_enum<BlockCheckFlags>`] 
| Marks BlockCheckFlags as a bitmask enum.
| xref:btck/is_bitmask_enum-0bf.adoc[`is_bitmask_enum<ScriptVerificationFlags>`] 
| Marks ScriptVerificationFlags as a bitmask enum.
|===



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