Avoid Itertools::flatten to support rust 1.29
Simplify the earlier fix by using .flat_map(|x| x)
in place
of .flatten()
. This keeps the flow of the code more natural
and bides time until Itertools upstream resolves this conflict.
Simplify the earlier fix by using .flat_map(|x| x)
in place
of .flatten()
. This keeps the flow of the code more natural
and bides time until Itertools upstream resolves this conflict.