[#BloombergLP-bslstl-StopCallback_Node-2constructor-04] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::xref:BloombergLP/bslstl/StopCallback_Node.adoc[StopCallback_Node]::StopCallback_Node :relfileprefix: ../../../ :mrdocs: Same as the preceding overload for a non‐const lvalue `arg`. == Synopsis Declared in `<bslstl_stoptoken.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- template< class t_ALLOC, class t_ARG> StopCallback_Node( t_ALLOC const& allocator, t_ARG& arg); ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#