pop-tree-left ( tree -- node/f )
Binary search trees

Prev:	ceiling-entry ( key tree -- pair/f )
Next:	pop-tree-right ( tree -- node/f )

Vocabulary
trees

Inputs

tree

a tree

Outputs

node/f

a pair or f

Word description
Removes and returns a key-value mapping associated with the lowest key in this map, or f if the map is empty.

See also
pop-tree-right

Definition

USING: kernel trees.private ;

IN: trees

: pop-tree-left ( tree -- node/f )
    dup first-node pop-tree-extremity ;