[Haskell-beginners] Re: Empty list Exception

[Chicão Fernandes Junior]

Thanks everyone, for the answers.

I didn't knew the  *elem* function. That will make my life easier.

For the sake of simplicity, I changed the code to a shorter
*userRegistration* function, eliminating the *checkUser* function:


 userRegistration user list
>     | elem user list = list
>     | otherwise = user:list
>


It did worked fine.

I'm glad that I can count with this list in my learning process.

Thanks again.


-- 
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Francisco Borges "Chicão" Junior
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http://pedepinico.blogspot.com
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"Quem de boa vontade carrega o difícil, também carrega o menos difícil..."
Lao Tsé - Tao Te Ching
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