calls sort_network without support for splitting the network
and adds a nrow:1 topo_sort attribute.
add_topo_sort(x, outlets = NULL)# S3 method for data.frame
add_topo_sort(x, outlets = NULL)
# S3 method for hy
add_topo_sort(x, outlets = NULL)
data.frame containing a topo_sort attribute.
data.frame network compatible with hydroloom_names.
same as id in x. if specified, only the network emanating from these outlets will be considered and returned.
Required attributes: id, toid