A linear data structure in which elements may be appended to or removed from either end.(noun)
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Use "deque" in a sentence
"Libellus vere aureus de optimo reip. statu, deque nova insula Utopia"
"I'm not sure how one would express a circular data structure like an efficient double-ended queue without being able to have more than one reference to anything sweep it into the implementation and have a black box deque type that happens to use a doubly linked list under the hood, hiding the detail from the purely functional world?"
"Liber, De arcu coelesti, deque colorum apparentium natura, ortu et causis (Prague, 1648)."