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Date:
2008-03-17 05:41 am (UTC)
From:
dougo.livejournal.com
stream-car
returns the first element of the stream, and
stream-cdr
returns the rest of the stream. The trick is that the elements of the stream aren't actually computed until
stream-car
is evaluated.
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Date: 2008-03-17 05:41 am (UTC)stream-carreturns the first element of the stream, andstream-cdrreturns the rest of the stream. The trick is that the elements of the stream aren't actually computed untilstream-caris evaluated.