RedBlackTree.single
Checks if there is exactly one entry in the tree.
Arguments
None
Return values
condition
is TRUE if there is a single entry, FALSE otherwise.
Complexity
Constant
Example
"sl/redBlackTree" useFile
a:((12 "aaa")) makeRedBlackTree;
a.single print LF print
4 "bbb" a.insert
a.single print
Output:
TRUE
FALSE