[Haskell-beginners] Using StateT with List monad

[Ozgur Akgun]

Hi,

On 24 November 2012 15:15, Brent Yorgey <byorgey at seas.upenn.edu> wrote:

>   twoSucc :: StateT Int [] ()
>   twoSucc = do
>     i <- get
>     put (i+1) `mplus` put (i+2)
>

Another way of doing the same thing, which I find more intuitive, is the
following:

twoSucc :: StateT Int [] ()
twoSucc = do
    i <- get
    j <- lift [i+1, i+2]
    put j

-- 
Ozgur Akgun
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