[#bsl-operator_us-0be] = xref:bsl.adoc[bsl]::operator""_us :relfileprefix: ../ :mrdocs: Same as the preceding overload, for a `long double` argument. == Synopsis Declared in `<bslstl_chrono.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- constexpr bsl::chrono::duration<long double, std::micro> operator""_us(long double us); ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#