On Feb 13, 2011, at 7:59 PM, Eli Barzilay wrote: >> In any case, wouldn't >> >> (test E /=> #f) >> >> be even shorter and clearer? > > I find `/=>' extremely confusing. If it means a simple "does not > evaluate to", then what happens when E throws an error?
There are two things "/=>" could mean: "does not evaluate to", or "evaluates to something other than". I'd lean towards the latter, for the reason you point out. But whichever, as long as it's documented. Stephen Bloch sbl...@adelphi.edu _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/users
