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- Subject: Re: Good introductory texts ?
- From: Mario Domenech Goulart <mario.goulart@...>
- Date: Wed, 23 Sep 2009 10:43:17 -0400
On Wed, 23 Sep 2009 16:29:44 +0200 David Kastrup <email@example.com> wrote:
> Alex Queiroz <firstname.lastname@example.org> writes:
>> On 9/23/09, Tony Finch <email@example.com> wrote:
>>> On Wed, 23 Sep 2009, steve donovan wrote:
>>> > This is a common notion. What can Scheme do that cannot be
>>> > expressed
>>> > in Lua? (Note, this is an actual question)
>>> The two biggies are continuations and macros.
>> I would add that there are no statements, everything is an
> (set! ... ) is not really an expression. It has no value and only
> side effects.
According to R5RS, `set!' is an assignment expression