[#bsl-allocator-01c-reference] = xref:bsl.adoc[bsl]::xref:bsl/allocator-01c.adoc[allocator<long double>]::reference :relfileprefix: ../../ :mrdocs: This `typedef` is an alias to a modifiable `value_type` reference. == Synopsis Declared in `<bslma_bslallocator.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- typedef xref:bsl/allocator-01c/value_type.adoc[value_type]& reference; ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#