[#bsl-operator_not_eq-03] = xref:bsl.adoc[bsl]::operator!= :relfileprefix: ../ :mrdocs: Same as the related overload above for `operator!=`. == Synopsis Declared in `<bslstl_stack.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- bool operator!=( xref:bsl/stack-05.adoc[stack<VAL, CONT>] const&, xref:bsl/stack-05.adoc[stack<VAL, CONT>] const&); ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#