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- Subject: Re: Good introductory texts ? (was Re: Suitability of Lua as a First Programming Language?)
- From: Mario Domenech Goulart <mario.goulart@...>
- Date: Wed, 23 Sep 2009 10:27:44 -0400
Hi Alex
On Wed, 23 Sep 2009 14:19:05 +0000 Alex Queiroz <asandroq@gmail.com> wrote:
> On 9/23/09, Tony Finch <dot@dotat.at> 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
> expression.
Strictly speaking, not everything, in fact. Definitions and syntax
definitions are not expressions, according to R5RS:
http://schemers.org/Documents/Standards/R5RS/HTML/r5rs-Z-H-8.html#%_chap_5
Best wishes.
Mario
