[Haskell-cafe] Non-recursive let [Was: GHC bug? Let with guards loops]
es at ertes.de
Wed Jul 10 10:16:38 CEST 2013
oleg at okmij.org wrote:
> Hear, hear! In OCaml, I can (and often do) write
> let (x,s) = foo 1  in
> let (y,s) = bar x s in
> let (z,s) = baz x y s in ...
> In Haskell I'll have to uniquely number the s's:
> let (x,s1) = foo 1  in
> let (y,s2) = bar x s1 in
> let (z,s3) = baz x y s2 in ...
This isn't a case for non-recursive let. It is one of the rare cases
where you might actually consider using a state monad.
Not to be or to be and (not to be or to be and (not to be or to be and
(not to be or to be and ... that is the list monad.
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