[#BloombergLP-bslalg-RbTreeUtil-deleteTree]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslalg.adoc[bslalg]::xref:BloombergLP/bslalg/RbTreeUtil.adoc[RbTreeUtil]::deleteTree
:relfileprefix: ../../../
:mrdocs:

Destroy every node in `tree` and reset it to empty.

== Synopsis

Declared in `<bslalg_rbtreeutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class FACTORY>
static
void
deleteTree(
    xref:BloombergLP/bslalg/RbTreeAnchor.adoc[RbTreeAnchor]* tree,
    FACTORY* nodeFactory);
----

== Description

Call `nodeFactory‐>deleteNode` on each node in `tree` and reset `tree` to an empty state. `FACTORY` shall be a class providing a method that can be called as if it has the following signature: ` void deleteNode(RbTreeNode *); ` The behavior is undefined unless `tree` is a valid binary tree, and `nodeFactory‐>deleteNode` does not throw.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *tree*
| tree whose nodes are destroyed
| *nodeFactory*
| factory used to destroy each node
|===


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