[#absl-HexStringToBytes-02]
= xref:absl.adoc[absl]::HexStringToBytes
:relfileprefix: ../
:mrdocs:

Converts an ASCII hex string into bytes, returning binary data of length `from.size()/2`. The input must be valid hexadecimal data, otherwise the return value is unspecified.

== Synopsis

Declared in `<absl/strings/escaping.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated("Use the HexStringToBytes() that returns a bool")]]
std::string
HexStringToBytes(std::string_view from);
----

[WARNING]
====
https://en.cppreference.com/cpp/language/attributes/deprecated[Deprecated^]: Use the HexStringToBytes() that returns a bool. Use of this entity is allowed but discouraged.
====
== Return Value

The decoded binary data.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *from*
| The hexadecimal‐encoded string to decode.
|===


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