[Haskell-cafe] A question about monad laws

[C K Kashyap]

Thanks Tobias,

Without the associativity law, it would be very hard to determine the
> current state of the monad.
> Since the compiler, on "desugaring" do-blocks, will insert brackets, there
> is no guarantee that the results are the same as for the brace-less and
> sugar-free version of the code.
>

Indeed this example helps me.
Regards,
Kashyap

>
>
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