Merge pull request #109 from arohner/master

Fix for issue 716, :map-ebs-snapshot-to-device-name

compute/src/main/clojure/org/jclouds/compute.clj

@@ -399,8 +399,8 @@ See http://code.google.com/p/jclouds for details."
      ;; aws ec2 options
      :map-ephemeral-device-to-device-name])
    {:map-ebs-snapshot-to-device-name
-    (kw-memfn-apply :map-ebs-snapshot-to-device-name
+    (memfn-apply mapEBSSnapshotToDeviceName
-                    device-name snapshot-id size-in-gib delete-on-termination)
+                 device-name snapshot-id size-in-gib delete-on-termination)
     :map-new-volume-to-device-name
     (kw-memfn-apply :map-new-volume-to-device-name
                     device-name size-in-gib delete-on-termination)}))

core/src/main/clojure/org/jclouds/core.clj

@@ -94,6 +94,12 @@ Ensure the module is on the classpath.  You are maybe missing a dependency on
   [kw]
   (symbol (camelize-mixed kw)))
 
+(defmacro memfn-apply
+  "Expands into a function that takes one argument,"
+  [fn-name & args]
+  `(fn [target# [~@args]]
+     ((memfn ~fn-name ~@args) target# ~@args)))
+
 (defmacro kw-memfn
   "Expands into code that creates a function that expects to be passed an
    object and any args, and calls the instance method corresponding to

core/src/test/clojure/org/jclouds/core_test.clj

@@ -55,6 +55,11 @@ list, Alan Dipert and MeikelBrandmeyer."
 (deftest kw-fn-symbol-test
   (is (= 'aB (kw-fn-symbol :a-b))))
 
+
+(deftest memfn-apply-test
+  (is (= "Ab" ((memfn-apply concat s) "A" ["b"])))
+  (is (= "Ac" ((memfn-apply replace a b) "Ab" ["b" "c"]))))
+
 (deftest kw-memfn-test
   (is (= "a" ((kw-memfn :to-lower-case) "A")))
   (is (= "Ab" ((kw-memfn :concat s) "A" "b")))