[#BloombergLP-bdlb-TopologicalSortUtil_Helper-Links-2constructor-09]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/TopologicalSortUtil_Helper.adoc[TopologicalSortUtil_Helper]::xref:BloombergLP/bdlb/TopologicalSortUtil_Helper.adoc[Links]::Links
:relfileprefix: ../../../../
:mrdocs:

Create a `Links` which holds empty predecessor and successor information. Optionally, specify an `allocator` for needed memory. If `allocator` is 0, use the globally supply default allocator instead.

== Synopsis

Declared in `<bdlb_topologicalsortutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
Links(xref:BloombergLP/bslma/Allocator.adoc[bslma::Allocator]* allocator = 0);
----


[.small]#Created with https://www.mrdocs.com[MrDocs]#