[#bsl-operator_eq-067] = xref:bsl.adoc[bsl]::operator== :relfileprefix: ../ :mrdocs: Return `true` if the specified `lhs` and `rhs` refer to the same stop state, or if neither refers to a stop state; `false` otherwise. Implementation note: this function is required by the standard to be a hidden friend ([hidden.friends], [stopsource.general]). == Synopsis Declared in `<bslstl_stoptoken.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- [[nodiscard]] bool operator==( xref:bsl/stop_source.adoc[stop_source] const& lhs, xref:bsl/stop_source.adoc[stop_source] const& rhs) noexcept; ---- == Return Value [NOTE] ==== The return value https://en.cppreference.com/cpp/language/attributes/nodiscard[should not be discarded^]. ==== [.small]#Created with https://www.mrdocs.com[MrDocs]#