Node.prev_unique

Obtains the previous node in the tree to which this node is associated, skipping key duplicates.

struct Node(eb_node, Key, alias eb_getkey, alias eb_next, alias eb_prev, alias eb_prev_unique, alias eb_next_unique, alias eb_delete)

typeof(&this)

prev_unique

()

Return Value

Type: typeof(&this)

the previous node with a unique key or null if this is the first.