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Jay Carlson <nop@nop.com> wrote:

> I wonder if there's a vertical variant of list comprehensions.

Haskell's do notation coupled with the list monad, sort of.

Tony.
-- 
f.anthony.n.finch  <dot@dotat.at>  http://dotat.at/
Shannon, Rockall, Malin, Hebrides: South veering northwest 5 to 7, becoming
variable 4, then southeast 5 or 6 later in Shannon and Rockall. Rough or very
rough. Occasional rain. Moderate, occasionally poor, becoming good.