[#boost-urls-grammar-ci_digest]
= xref:boost.adoc[boost]::xref:boost/urls.adoc[urls]::xref:boost/urls/grammar.adoc[grammar]::ci_digest
:relfileprefix: ../../../
:mrdocs:


Return the case‐insensitive digest of a string

== Synopsis


Declared in `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/grammar/ci_string.hpp#L140[boost/url/grammar/ci_string.hpp]>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::size_t
ci_digest(core::string_view s) noexcept;
----

== Description


The hash function is non‐cryptographic and    not hardened against algorithmic complexity    attacks.    Returned digests are suitable for usage in    unordered containers.    The function is defined only for strings    containing low‐ASCII characters.



== Return Value


The digest



== Parameters


|===
| Name | Description

| *s*
| The string


|===



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