foldable

type Foldable[A, B, HKTA any] interface {
	// Reduce folds the structure from left to right using a binary function and initial value.
	Reduce(func(B, A) B, B) func(HKTA) B

	// ReduceRight folds the structure from right to left using a binary function and initial value.
	ReduceRight(func(B, A) B, B) func(HKTA) B

	// FoldMap maps each element to a monoid and combines them using the monoid's operation.
	FoldMap(m M.Monoid[B]) func(func(A) B) func(HKTA) B
}