Re: Why is this not allowed?

From: Damien Doligez (
Date: Thu Dec 02 1999 - 12:13:32 MET

Date: Thu, 2 Dec 1999 12:13:32 +0100
From: Damien Doligez <>
Message-Id: <>
Subject: Re: Why is this not allowed?

>From: Claudio Sacerdoti Coen <>
>can you explain me why is this not allowed?
>I can't see a problematic counterexample.
># let rec id'' = id;;
>This kind of expression is not allowed as right-hand side of `let rec'

Because we don't know how to compile "let rec x = x" or
  let rec x = y
  and y = x

Moreover, you can just remove the "rec" and it works. It is possible
to implement "let rec var1 = var2", but the usefulness is quite small
compared to the amount of code we would need to write.

-- Damien

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