[#bsl-not1] = xref:bsl.adoc[bsl]::not1 :relfileprefix: ../ :mrdocs: Alias for `std::not1` in the `bsl` namespace. == Synopsis Declared in `<bsl_functional.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- using std::not1; ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#