flatland.utils.ordered_set module¶

class flatland.utils.ordered_set.OrderedSet[source]¶

Bases: collections.OrderedDict, collections.abc.MutableSet

add(self, elem)[source]¶: Add an element.

difference¶

difference_update¶

discard(self, elem)[source]¶: Remove an element. Do not raise an exception if absent.

intersection¶

intersection_update¶

issubset¶

issuperset¶

symmetric_difference¶

symmetric_difference_update¶

union¶

update(self, *args, **kwargs)[source]¶: 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]