Very true. But exactly for its association with lists or (@)rrays, I use it a lot as a personal alias for some operations on sequences. Too bad, I wasn't aware of it... :P
On Mon, May 4, 2009 at 6:21 PM, Derick Eddington <[email protected]> wrote: > On Mon, 2009-05-04 at 22:11 +0200, Patrik Husfloen wrote: >> I was reading up a little on SXML [1] but found that using @ as a >> symbol doesn't work in Ikarus, it does in Larceny though, so now I'm >> wondering which one is right? >> After reading R6RS it looks to me like Ikarus is being compliant in >> this case, can anyone confirm? > > As R6RS 4.2.1 says, @ is not a valid R6RS symbol. As John Cowan told me > [1]: > > If @ were permitted as the initial character of an identifier, > then it would be ambiguous whether {,@foo} and {,@ foo} were > unquotes or splicing unquotes.
