Module treap

delete(Key, Tree) -> any()

delete_root(X1) -> any()

empty() -> any()

fold(F, Acc, X3) -> any()

from_list(List) -> any()

get_root(X1) -> any()

insert(Key, Priority, Value, Tree) -> any()

is_empty(X1) -> any()

lookup(Key, Tree) -> any()

to_list(Tree) -> any()