Degree
======

:cpp:include:`#include<hysj/graphs/degree.hpp>`

.. cpp:namespace:: hysj::graphs

In namespace :cpp:any:`graphs`:

.. cpp:function:: auto degree(auto direction,const auto &graph,auto id)

   | The number of incident ids.

*Shorthands*

.. rest-script::
   
   from hysj.graphs import *
   for d in DirectionTag.__members__.values():
     print(f'.. cpp:var:: unspecified {d.name[0]}degree = bind(degree,{d.name.replace("_","")}_tag)')
     
.. cpp:function:: auto is_skin(auto direction,const auto &graph,auto id)

   | A vertex is a skin-vertex in a given direction if it has no incident edges in that directino.
   |
   
.. cpp:function:: auto skin(auto direction,const auto &graph)

   | Computes all the skin-vertices in the graph.
   |