[Haskell-cafe] Eta-reducing case branches

[Erik de Castro Lopo]

Tom Ellis wrote:

> Likewise, I have often wanted to rewrite
> 
>     case m of
>         Nothing -> n
>         Just x  -> quux x

Why not emply the maybe function (b -> (a -> b) -> Maybe a -> b)

     maybe n quux m

Erik
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Erik de Castro Lopo
http://www.mega-nerd.com/