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Probably because it is considered too obvious require documentation.

Things come out of map/grep in the same order they went in.

With the single exception of when grep removes item(s) from the stream, in which case those things that do come out, do so in the same relative ordering with which they went in.


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In reply to Re^3: Order in which grep/map receive elements by BrowserUk
in thread Order in which grep/map receive elements by abufct

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