@pimms.value<EOL><INDENT>def indices(vertex_count):<DEDENT>
idcs = np.arange(<NUM_LIT:0>, vertex_count, <NUM_LIT:1>, dtype=np.int)<EOL>idcs.setflags(write=False)<EOL>return idcs<EOL>
vset.indices is the list of vertex indices for the given vertex-set vset.