[#ByteType]
= ByteType
:mrdocs:

Constrains a type to a single‐byte type usable as a raw buffer element.

== Synopsis

Declared in `<crypto/common.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename B>
concept ByteType = std::same_as<B, unsigned char> || std::same_as<B, std::byte>;
----

== Template Parameters

[cols="1,4"]
|===
| Name| Description
| *B*
| The candidate byte type (`unsigned char` or `std::byte`).
|===


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