[Haskell-cafe] Re: Wikipedia on first-class object

Achim Schneider barsoap at web.de
Mon Dec 31 03:59:28 EST 2007

Achim Schneider <barsoap at web.de> wrote:

> "Cristian Baboi" <cristi at ot.onrc.ro> wrote:
> > What is infinite in let x = x in x ?
>                           ^   |    |
>                           |___/    |
>                           \________/
a = let x = x in x
is actually only quite verbose for
a = undefined,

the only difference being that undefined is a nicer _|_ than let x = x
in x.

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