6. Edge selector constructors

6. Edge selector constructors

6.1. igraph_es_all — Edge set, all edges.
6.2. igraph_es_adj — Adjacent edges of a vertex.
6.3. igraph_es_none — Empty edge selector.
6.4. igraph_es_1 — Edge selector containing a single edge.
6.5. igraph_es_vector — Handle a vector as an edge selector.
6.6. igraph_es_fromto — Edge selector, all edges between two vertex sets.
6.7. igraph_es_seq — Edge selector, a sequence of edge ids.
6.8. igraph_es_pairs — Edge selector, multiple edges defined by their endpoints in a vector
6.9. igraph_es_pairs_small — Edge selector, multiple edges defined by their endpoints as arguments