[#bsl-femto] = xref:bsl.adoc[bsl]::femto :relfileprefix: ../ :mrdocs: Alias for `std::femto`. == Synopsis Declared in `<bslstl_ratio.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- using std::femto; ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#