in src/h3/api/basic_int/__init__.py [0:0]
def cells_to_directed_edge(origin, destination):
"""
Create an H3 Index denoting a unidirectional edge.
The edge is constructed from neighboring cells ``origin`` and
``destination``.
Parameters
----------
origin : H3Cell
destination : H3Cell
Raises
------
ValueError
When cells are not adjacent.
Returns
-------
H3Edge
"""
o = _in_scalar(origin)
d = _in_scalar(destination)
e = _cy.cells_to_directed_edge(o, d)
e = _out_scalar(e)
return e