[#BloombergLP-bdlb-TopologicalSortUtilEdgeTraits-0a]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/TopologicalSortUtilEdgeTraits-0c.adoc[TopologicalSortUtilEdgeTraits]<xref:bsl/pair-0b.adoc[bsl::pair<NODE_TYPE, NODE_TYPE>]>
:relfileprefix: ../../
:mrdocs:

This `struct` is a specialization (customization) of `TopologicalSortUtilEdgeTraits` for bsl::pair<T, T>.

== Synopsis

Declared in `<bdlb_topologicalsortutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class NODE_TYPE>
struct xref:BloombergLP/bdlb/TopologicalSortUtilEdgeTraits-0c.adoc[TopologicalSortUtilEdgeTraits]<xref:bsl/pair-0b.adoc[bsl::pair<NODE_TYPE, NODE_TYPE>]>;
----

== Type Aliases

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlb/TopologicalSortUtilEdgeTraits-0a/EdgeType.adoc[`EdgeType`] 
| The type of the directed connection from one node to another
| xref:BloombergLP/bdlb/TopologicalSortUtilEdgeTraits-0a/NodeType.adoc[`NodeType`] 
| The type of values of the nodes of the directed acyclic graph
|===


== Static Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlb/TopologicalSortUtilEdgeTraits-0a/from.adoc[`from`] 
| Return a `const` reference to the `from` attribute of the specified `edge` object.
| xref:BloombergLP/bdlb/TopologicalSortUtilEdgeTraits-0a/to.adoc[`to`] 
| Return a `to` reference to the `from` attribute of the specified `edge` object.
|===



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