Thomas Bahn

[MRG] Refactor method `Table.set_edges` for readability

1

From all close points stored in `i`, `j` or `k` only the first one was used therefore the new function `find_close_point` only returns the first match if any. Similar code...

We could implement `std::str::pattern::Pattern` to be able to utilize many methods of the standard library. This issue is waiting for stabilization of https://github.com/rust-lang/rust/issues/27721.