On Sun, Jan 30, 2011 at 1:35 PM, Jonas Enlund <jonas.enl...@gmail.com> wrote: > On Sun, Jan 30, 2011 at 7:01 PM, Ken Wesson <kwess...@gmail.com> wrote: >> On Sun, Jan 30, 2011 at 9:26 AM, Jonas Enlund <jonas.enl...@gmail.com> wrote: >>> Hi. >>> I'm trying to create a java.io.Writer proxy (which writes to a >>> JTextArea) but I can't get it to work. >>> Here is my clojure code so far: >>> >>> (def text-area (javax.swing.JTextArea.)) >>> >>> (def frame >>> (let [f (javax.swing.JFrame.)] >>> (.. f getContentPane (add text-area)) >>> (.setMinimumSize f (java.awt.Dimension. 200 200)) >>> (.setVisible f true) >>> f)) >>> >>> (def text-area-writer >>> (proxy [java.io.Writer] [] >>> (close []) >>> (flush []) >>> (write [^chars chrs ^int offs ^int len] >>> (.append text-area (String. chrs offs len))))) >>> >>> When I load the code above I get an "IllegalArgumentException: Unable >>> to resolve classname: int" so I think I'm not type hinting correctly. >> >> Indeed. You can't (in 1.2 at least) type hint "int" though you can >> "ints" (array of int). Note that int is a primitive type while array >> of int is a reference type. >> >> Type hinting as Integer shouldn't throw exceptions, but you can >> probably omit all but the chars hint and have the correct String >> constructor overload selected. > > I tried with 1.3.0-alpha5. With type hints I get "CompilerException > java.lang.IllegalArgumentException: Only long and double primitives > are supported". If I only keep the ^chars hint I get an ArityException > when I do (.write text-area-writer "hello").
Does it work with 1.2? Where exactly is the ArityException being thrown -- for what function or method? -- 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
