[Haskell-beginners] cascade of if statements

[Daniel Trstenjak]

On Wed, Oct 31, 2012 at 06:14:52PM +0100, Daniel Trstenjak wrote:
> (<&&>) :: Monad m => m Bool -> m Bool -> m Bool
> (<&&>) m1 m2 = do
>    r1 <- m1
>    if r1 then m2 else return False
> 
> 
> (<||>) :: Monad m => m Bool -> m Bool -> m Bool
> (<||>) m1 m2 = do
>    r1 <- m1
>    if r1 then return True else m2

That the operators behave like the boolean ones we should have the same fixity declarations:

infixr 3 (<&&>)
infixr 2 (<||>)


Greetings,
Daniel