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Meaning of FILTER

Pronunciation:  'filtur

 
Matching Terms:  filter bed, filter fabric, filter out, filter paper, filter promotion, filter sterilization, filter tip, filterable residue, filtering, filter-tipped, filter-tipped cigarette

Computing Dictionary
 
 Definition: 

1. (Originally unix, now also ms-dos) A program that processes an input data stream into an output data stream in some well-defined way, and does no I/O to anywhere else except possibly on error conditions; one designed to be used as a stage in a pipeline (see plumbing). Compare sponge.

2. (functional programming) A higher-order function which takes a predicate and a list and returns those elements of the list for which the predicate is true. In haskell:

        filter p []     = []
        filter p (x:xs) = if p x then x : rest else rest
                          where
                          rest = filter p xs

See also filter promotion.

[jargon file]

 
Thesaurus Terms
 
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