Re: [Chicken-users] Syntax of case expressions

[Tobia Conforto]

Apologies, I think I misread the thread.

Anyways:

Elf wrote:
> how is it that ('a ...) isn't a syntax error? Is it because 'a  
> expands to (quote a), and is thus treated by case as a list of the  
> symbols quote and a? And if so, is that correct behavior? After all,
> csi> (pair? 'a)
> #f
> (as I expected).

In (pair? 'a) the first argument to the *function* (not macro) pair?  
is the symbol a, which is not a pair.
Here, on the other hand:

csi> (pair? ''a)
#t

the first argument to pair? is the list (quote a), which is a pair.


HTH
Tobia