<algorithm> /dek/ (deque) A queue which can have items added or removed
from either end[?].
The Knuth reference below reports that the name was coined by E. J. Schweppe.
[D. E. Knuth, "The Art of Computer Programming. Volume 1: Fundamental
Algorithms", second edition, Sections 2.2.1, 2.6, Addison-Wesley, 1973].
[Correct definition? Example use?]
double density « doubled sig « double-duplex «
double-ended queue » double quote » doubly
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