:relfileprefix: ../../../
[#boost-urls-string_token-preserve_size]

= xref:boost.adoc[pass:[boost]]::xref:boost/urls.adoc[pass:[urls]]::xref:boost/urls/string_token.adoc[pass:[string_token]]::preserve_size



== Synopsis

Declared in header `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/grammar/string_token.hpp#L327[boost/url/grammar/string_token.hpp,window=blank_]>`

[source,cpp,subs="verbatim,macros,-callouts"]
----
template<class Alloc = xref:std.adoc[std]::allocator<char>>
xref:boost/urls/string_token/preserve_size_t.adoc[preserve_size_t]<Alloc>
preserve_size(xref:std.adoc[std]::basic_string<char, xref:std.adoc[std]::char_traits<char>, Alloc>& s);
----