hypergraph 1.3.9

Hypergraph is data structure library to create a directed hypergraph in which an hyperedge can join any number of vertices.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18

use crate::{errors::HypergraphError, HyperedgeIndex, HyperedgeTrait, Hypergraph, VertexTrait};

impl<V, HE> Hypergraph<V, HE>
where
    V: VertexTrait,
    HE: HyperedgeTrait,
{
    // Private method to get the internal hyperedge matching a HyperedgeIndex.
    pub(crate) fn get_internal_hyperedge(
        &self,
        hyperedge_index: HyperedgeIndex,
    ) -> Result<usize, HypergraphError<V, HE>> {
        match self.hyperedges_mapping.right.get(&hyperedge_index) {
            Some(index) => Ok(*index),
            None => Err(HypergraphError::HyperedgeIndexNotFound(hyperedge_index)),
        }
    }
}