:relfileprefix: ../../../
[#9E868632512DBBB9D58749EA9E493A0252D045E2]

= Function preserve_size



== Synopsis

Declared in header `</boost/url/grammar/string_token.hpp#L327[boost/url/grammar/string_token.hpp,window=blank_]>`

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