[Haskell-cafe] indentation with let and do

[David McBride]

Imagine if bar was a toplevel function

bar = case foo of
True -> " Foo";
False -> "Bar";

Keep in mind that indentation level starts at the function name, not at the
let keyword.


On Thu, Oct 3, 2013 at 2:31 PM, Corentin Dupont
<corentin.dupont at gmail.com>wrote:

> Hi the list,
> why do this function doesn't compile (parse error):
>
> test :: Bool -> IO ()
> test foo = do
>    let bar = case foo of
>        True ->  "Foo";
>        False -> "Bar"
>    return ()
>
> while this one does (just adding one space in front of True and False):
>
> test :: Bool -> IO ()
> test foo = do
>    let bar = case foo of
>         True ->  "Foo";
>         False -> "Bar"
>    return ()
>
>
> Thanks!!
> Corentin
>
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