meaning of listless

1. Having no desire or inclination; indifferent; heedless; spiritless.
2. 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 Wadlers 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.
3. lacking zest or vivacity; "he was listless and ">bored"

Related Words

listless | listlessly | listlessness |

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