翻訳と辞書
Words near each other
・ filemaker, inc.
・ filename extension
・ filenet
・ filesystem hierarchy standard
・ filing system
・ filk
・ fill-out form
・ film at 11
・ filo
・ filtabyte
filter
・ filter promotion
・ fims
・ finagle's law
・ financial information exchange
・ finder
・ fine adjuster
・ fine grain
・ finger
・ finger-pointing syndrome


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filter : FOLDOC
filter
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]



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