[#util-operator_hex]
= xref:util.adoc[util]::operator""_hex
:relfileprefix: ../
:mrdocs:

Compile‐time hex literal returning a `std::array<std::byte, N/2>`.

== Synopsis

Declared in `<util/strencodings.h>`

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

== Return Value

The decoded bytes as a `std::array<std::byte, N/2>`.


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