last-entry ( tree -- pair/f )
Binary search trees

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Vocabulary
trees

Inputs

tree

a tree

Outputs

pair/f

a pair or f

Word description
Returns a key-value mapping associated with the last (highest) key in this tree, or f if the tree is empty.

See also
first-key, first-entry, last-key

Definition

USING: kernel trees.private ;

IN: trees

: last-entry ( tree -- pair/f )
    last-node dup [ node>entry ] when ;