On 06/04/2012 09:50 PM, Jon Rafkind wrote: > On 06/04/2012 09:48 PM, Eli Barzilay wrote: >> A few minutes ago, Jon Rafkind wrote: >>> Also that example is somewhat bizarre.. I think the (clock a ...) >>> template should be (get-clock) instead of ((get-clock) a ...), >>> right? >> No -- with that change you get a weird identifier macro where >> >> clock >> >> evaluates to (for example) 0, and >> >> (clock 1 2 3) >> >> evaluates to 0 too. Using ((get-clock) a ...) makes the latter throw >> an error which makes it behave uniformly. >> > Well whats bizarre about it is (clock 1 2 3) should really be a syntax error, > but its converted into a runtime error instead.
Ok nevermind.. since clock can be used in any expression position there is nothing special about the first position in an s-expression so its exactly like doing (0 1 2 3).. ____________________ Racket Users list: http://lists.racket-lang.org/users
