[#bsl-basic_string-0f3-2constructor-0c0] = xref:bsl.adoc[bsl]::xref:bsl/basic_string-0f3.adoc[basic_string<char32_t>]::basic_string :relfileprefix: ../../ :mrdocs: Create an empty string using a default‐constructed allocator. == Synopsis Declared in `<bslstl_string.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- basic_string() noexcept; ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#