flatland.utils.ordered_set module

class flatland.utils.ordered_set.OrderedSet

Bases: collections.OrderedDict, collections.abc.MutableSet

add(elem)

Add an element.

difference

difference_update

discard(elem)

Remove an element. Do not raise an exception if absent.

intersection

intersection_update

issubset

issuperset

symmetric_difference

symmetric_difference_update

union

update([E, ]**F) → None. Update D from dict/iterable E and F.

If E is present and has a .keys() method, then does: for k in E: D[k] = E[k] If E is present and lacks a .keys() method, then does: for k, v in E: D[k] = v In either case, this is followed by: for k in F: D[k] = F[k]