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