Create S2 Cell Union vectors
s2_cell_union(x = list())
# S3 method for s2_cell_union
as_s2_geography(x, ...)
as_s2_cell_union(x, ...)
# S3 method for s2_cell_union
as_s2_cell_union(x, ...)
# S3 method for s2_cell
as_s2_cell_union(x, ...)
# S3 method for character
as_s2_cell_union(x, ...)
An object of class "s2_cell_union".