[Haskell-cafe] Shortening if-then-else

[Matthias Neubauer]

Bulat Ziganshin <bulatz at HotPOP.com> writes:

> Hello Matthias,
>
> Tuesday, November 22, 2005, 9:17:57 PM, you wrote:
>
> MN> return $ guard (cmdType cmd /= CmdSitError Serv) >> return seat_num
>
> return $ when (cmdType cmd /= CmdSitError Serv) (return seat_num)
>
> must also work :)

Only if seat_num is of type () ... :-)

-Matthias

-- 
Matthias Neubauer                                       |
Universität Freiburg, Institut für Informatik           | tel +49 761 203 8060
Georges-Köhler-Allee 79, 79110 Freiburg i. Br., Germany | fax +49 761 203 8052