Index - H
| HasCombCache | Math.Combinatrics |
| HasFactCache | Math.Combinatrics |
| hashForwardRH | Data.RollingHash |
| hashReverseRH | Data.RollingHash |
| HasRecipFactCache | Math.Combinatrics |
| headQ | Data.Queue |
| heapifyBy | Data.Heap.Binary |
| heapMCF | Data.Graph.MinCostFlow |
| height | Data.Graph.Tree.DFS |
| heightDST | Data.SegTree.Dual |
| heightSegTree | Data.SegTree |
| hin | Control.Monad.Interactive |
| HLD | |
| 1 (Type/Class) | Data.Graph.Tree.HLD |
| 2 (Data Constructor) | Data.Graph.Tree.HLD |
| HLDIndex | Data.Graph.Tree.HLD |
| hout | Control.Monad.Interactive |