[#util-operator_hex_v]
= xref:util.adoc[util]::operator""_hex_v
:relfileprefix: ../
:mrdocs:

Compile‐time hex literal returning a `std::vector<std::byte>`.

== Synopsis

Declared in `<util/strencodings.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template</* implementation-defined */ str>
constexpr
auto
operator""_hex_v();
----

== Return Value

The decoded bytes as a `std::vector<std::byte>`.


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