Control.Arrow.ArrowNavigatableTree
class ArrowNavigatableTree a
parentAxis
ancestorAxis
ancestorOrSelfAxis
childAxis
descendantAxis
descendantOrSelfAxis
descendantOrFollowingAxis
revDescendantOrSelfAxis
followingSiblingAxis
precedingSiblingAxis
selfAxis
followingAxis
precedingAxis
moveToRoot
isAtRoot
addNav
remNav
withNav
withoutNav
filterAxis
moveOn
changeThisTree
substThisTree
addToTheLeft
addToTheRight
addToOneSide
dropFromTheLeft
dropFromTheRight