scalaz-core/scalaz/Tree

Tree

sealed abstract
class Tree[A]

A multi-way tree, also known as a rose tree. Also known as Cofree[Stream, A].

Companion
object
class Object
trait Matchable
class Any

Value members

Abstract methods

def rootLabel: A

The label at the root of this tree.

The label at the root of this tree.

def subForest: EphemeralStream[Tree[A]]

The child nodes of this tree.

The child nodes of this tree.

Concrete methods

def cobind[B](f: Tree[A] => B): Tree[B]

Binds the given function across all the subtrees of this tree.

Binds the given function across all the subtrees of this tree.

def drawTree(implicit sh: Show[A]): String

A 2D String representation of this Tree.

A 2D String representation of this Tree.

def flatMap[B](f: A => Tree[B]): Tree[B]
def flatten: EphemeralStream[A]

Pre-order traversal.

Pre-order traversal.

def foldMap[B : Monoid](f: A => B): B

Maps the elements of the Tree into a Monoid and folds the resulting Tree.

Maps the elements of the Tree into a Monoid and folds the resulting Tree.

def foldMapTrampoline[B : Monoid](f: A => B): Trampoline[B]
def foldNode[Z](f: A => EphemeralStream[Tree[A]] => Z): Z
def foldRight[B](z: => B)(f: (A, => B) => B): B
def levels: EphemeralStream[EphemeralStream[A]]

Breadth-first traversal.

Breadth-first traversal.

def loc: TreeLoc[A]

A TreeLoc zipper of this tree, focused on the root node.

A TreeLoc zipper of this tree, focused on the root node.

def map[B](f: A => B): Tree[B]
def scanr[B](g: (A, EphemeralStream[Tree[B]]) => B): Tree[B]

A histomorphic transform. Each element in the resulting tree is a function of the corresponding element in this tree and the histomorphic transform of its children.

A histomorphic transform. Each element in the resulting tree is a function of the corresponding element in this tree and the histomorphic transform of its children.

def traverse1[G[_] : Apply, B](f: A => G[B]): G[Tree[B]]
def unzip[A1, A2](p: A => (A1, A2)): (Tree[A1], Tree[A2])

Turns a tree of pairs into a pair of trees.

Turns a tree of pairs into a pair of trees.