I've been perusing Stu Halloway's beta of "Programming Clojure" and I
came across the following example:
(defn describe-class [c]
{:name (.getName c)
:final (java.lang.reflect.Modifier/isFinal (.getModifiers c))})
As demonstrated by the *warn-on-reflection* flag, Clojure is unable to
determ
On Nov 6, 4:31 pm, Daniel Spiewak <[EMAIL PROTECTED]> wrote:
> I've been perusing Stu Halloway's beta of "Programming Clojure" and I
> came across the following example:
>
> (defn describe-class [c]
> {:name (.getName c)
>:final (java.lang.reflect.Modifier/isFinal (.getModifiers c))})
>
>
> So you'd need a runtime instanceof test for Class, and use the
> fastpath if true, reflection if not.
>
> Perf could be harder to pin down, as adding an import could cause
> previously fast code to get slow.
Actually, I was thinking of performing the inference based on *all*
classes on the clas
On Nov 6, 8:42 pm, Daniel Spiewak <[EMAIL PROTECTED]> wrote:
> > So you'd need a runtime instanceof test for Class, and use the
> > fastpath if true, reflection if not.
>
> > Perf could be harder to pin down, as adding an import could cause
> > previously fast code to get slow.
>
> Actually, I w
> ((String)x).length. There's no need to unify the types. There's
> nothing 'bad' about the code above, that's why we're using Lisp - the
> type systems are still struggling to be expressive enough. If some
> third class had both methods, that would become the preferred branch.
I actually hadn't
