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listless

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.03 sec.
(programming)listless - In functional programming, a property of a function which allows it to be combined with other functions in a way that eliminates intermediate data structures, especially lists.

Phil Wadler's thesis gives the conditions for a function to be in listless form: each input list is traversed only once, one element at a time, from left to right. Each output list is generated once, one element at a time, from left to right. No other lists are generated or traversed.

Not all functions can be expressed in listless form (e.g. reverse).
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I suppose I was breathing hard, or perhaps I was crying, for after a time I heard a listless voice that had never been listless before say, 'Is that you?
Margaret Ogilvy by Barrie, James Matthew View in context
After some days spent in listless indolence, during which I traversed many leagues, I arrived at Strasbourg, where I waited two days for Clerval.
Frankenstein by Shelley, Mary View in context
I remember those girls merely as faces in the schoolroom, gay and rosy, or listless and dull, cut off below the shoulders, like cherubs, by the ink-smeared tops of the high desks that were surely put there to make us round-shouldered and hollow-chested.
My Antonia by Cather, Willa View in context
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