TreeChildren[tree]
extracts the children of the root of the Tree object tree.


TreeChildren
TreeChildren[tree]
extracts the children of the root of the Tree object tree.
Details

- TreeChildren returns the children {subtree1,subtree2,…} of Tree[data,{subtree1,subtree2,…}].
- TreeChildren[Tree[data,None]] gives None.
Examples
open all close allProperties & Relations (4)
TreeChildren[Tree[data,subtrees]] gives subtrees:
TreeChildren[Tree[data,{}]] gives {}:
TreeChildren[Tree[data,None]] gives None:
RootTree[tree] gives Tree[TreeData[tree],None] when TreeChildren[tree] gives None:
RootTree[tree] gives Tree[TreeData[tree],{}] when TreeChildren[tree] gives a list:
TreeChildren[tree] is equivalent to TreeLevel[tree,{1}] when TreeChildren[tree] gives a list:
See Also
Tree TreeData RootTree TreeLevel TreeExtract TreeCases TreeSelect
Related Guides
Text
Wolfram Research (2021), TreeChildren, Wolfram Language function, https://reference.wolfram.com/language/ref/TreeChildren.html (updated 2022).
CMS
Wolfram Language. 2021. "TreeChildren." Wolfram Language & System Documentation Center. Wolfram Research. Last Modified 2022. https://reference.wolfram.com/language/ref/TreeChildren.html.
APA
Wolfram Language. (2021). TreeChildren. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/TreeChildren.html
BibTeX
@misc{reference.wolfram_2025_treechildren, author="Wolfram Research", title="{TreeChildren}", year="2022", howpublished="\url{https://reference.wolfram.com/language/ref/TreeChildren.html}", note=[Accessed: 13-August-2025]}
BibLaTeX
@online{reference.wolfram_2025_treechildren, organization={Wolfram Research}, title={TreeChildren}, year={2022}, url={https://reference.wolfram.com/language/ref/TreeChildren.html}, note=[Accessed: 13-August-2025]}