utils

export type RBTree<A> = { readonly type: 'Leaf' } | Node<A>

export declare const URI: 'RBTree'

export type URI = typeof URI

export declare const getSet: <A>(ord: Ord<A>) => PSet<'RBTree', A>

export declare const leaf: { readonly type: 'Leaf' }

export declare const node: <A>(color: Color, left: RBTree<A>, value: A, right: RBTree<A>) => Node<A>

export declare const rbTree: Foldable1<'RBTree'>