| eAdj | Data.Graph.Sparse, ToyLib.Contest.Graph, ToyLib.Contest.Tree | 
| edgeCapMCF | Data.Graph.MinCostFlow | 
| edgeCapMF | Data.Graph.MaxFlow | 
| edgeCostMCF | Data.Graph.MinCostFlow | 
| edgeDstMCF | Data.Graph.MinCostFlow | 
| edgeDstMF | Data.Graph.MaxFlow | 
| EdgeId | Data.Graph.Alias, ToyLib.Contest.Graph, ToyLib.Contest.Tree | 
| edgeRevIndexMCF | Data.Graph.MinCostFlow | 
| edgeRevIndexMF | Data.Graph.MaxFlow | 
| edgeSegmentsHLD | Data.Graph.Tree.Hld, ToyLib.Contest.Tree | 
| edgesMCF | Data.Graph.MinCostFlow | 
| edgesMF | Data.Graph.MaxFlow | 
| edgeVertsHLD | Data.Graph.Tree.Hld, ToyLib.Contest.Tree | 
| edgeWeightsSG | Data.Graph.Sparse, ToyLib.Contest.Graph, ToyLib.Contest.Tree | 
| emptyHS | Data.RollingHash | 
| emptyIM | Data.IntervalMap | 
| emptyIS | Data.IntervalSet | 
| emptyMS | Data.MultiSet | 
| emptyMS2 | Data.MultiSet2 | 
| emptySL | Data.SizedList | 
| emptySUF | Data.UnionFind.Sparse | 
| endlBSB | ToyLib.ShowBSB, ToyLib.Contest.Prelude | 
| exchangeBack | Data.Buffer | 
| exchangeFront | Data.Buffer | 
| exchangeHM | Data.DenseHashMap | 
| exchangeIV | Data.Vector.IxVector, ToyLib.Contest.Grid | 
| exchangeNodeRSS | Data.SplaySeq.Raw | 
| exchangeRSS | Data.SplaySeq.Raw | 
| exchangeSS | Data.SplaySeq | 
| exchangeSTree | Data.SegmentTree.Strict | 
| exchangeTM | Data.Graph.Tree.Hld, ToyLib.Contest.Tree | 
| exgcd | Math.Exgcd |