_:vb7271544 "It was Erik Meijer who coined the name hylomorphism to describe a computation that consists of a fold after an unfold. The unfold produces a data structure and the fold consumes it."@en . . _:vb7271544 . _:vb7271543 . "7" . _:vb7271544 "2010, Richard Bird, Pearls of Functional Algorithm Design, Cambridge University Press, \u2192ISBN, page 168:"@en . _:vb7271543 "(functional programming) Any of a family of higher-order functions that process a data structure recursively to build up a value."@en .