On Wed, May 11, 2011 at 11:58 PM, Ken Wesson <kwess...@gmail.com> wrote:
> On Wed, May 11, 2011 at 9:04 PM, David Nolen <dnolen.li...@gmail.com> > wrote: > > On Wed, May 11, 2011 at 7:43 PM, Chas Emerick <cemer...@snowtide.com> > wrote: > >> > >> (defn ^String foo []) > >> (defn foo ^long []) > > > > The real problem is that first case was never actually specifying a > return > > type - it is a type hint on the var that happened to store an fn. The fn > > itself can only return Object (<=1.2.0). > > ?? > > Using 1.2: > > sandbox=> (defn bar [] "foo") > #'sandbox/bar > sandbox=> (defn foo [] (.length (bar))) > #'sandbox/foo > Reflection warning, NO_SOURCE_PATH:1 - reference to field length can't > be resolved. > sandbox=> (defn ^String baz [] "foo") > #'sandbox/baz > sandbox=> (defn foo [] (.length (baz))) > #'sandbox/foo > > Looks like it recognizes it as hinting the return type to me. https://github.com/clojure/clojure/blob/master/src/jvm/clojure/lang/Compiler.java#L3236 David -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
