[Haskell-cafe] Why is $ right associative instead of leftassociative?

[Tomasz Zielonka]

On Sun, Feb 05, 2006 at 01:14:42PM -0000, Brian Hulley wrote:
> How about:
> 
>      f x y
>      . g x
>      $ z
> 
> then you only need to add the line
> 
>      . h x y

But then you have a problem when you when you want to add something
at the beginning ;-) With right-assoc $ adding at both ends is OK.

> This is similar to how people often format lists:
> 
>     a =
>          [ first
>          , second
>          , third
>          ]

I am one of those people, and I am slightly annoyed with I have to
add something at the beginning of the list. I even went so far that
when I had a list of lists, which were concatenated, I've put an
empty list at front:

    concat $
        [ []
        , [...]
        , [...]
        .
        .
        .
        ]

Best regards
Tomasz

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