refactor: add map method

kalang-runtime/src/main/java/kalang/lang/DefaultStaticMembers.java

@@ -53,4 +53,20 @@ public static <T> List<T> findAll(T[] list, Function1<Boolean, T> handler) {
         return findAll(Arrays.asList(list), handler);
     }
 
+    @Nonnull
+    public static <R,E> List<R> map(Collection<E> list,Function1<R,E> handler) {
+        List<R> result = new LinkedList<>();
+        for(E it : list) {
+            result.add(handler.call(it));
+        }
+        return result;
+    }
+
+    @Nonnull
+    public static <R,E> List<R> map(E[] list,Function1<R,E> handler) {
+        return map(Arrays.asList(list),handler);
+    }
+
+
+
 }

src/test/kalang-snippets/automation/DefaultStaticImport.kl

@@ -1,3 +1,10 @@
 int testFind(){
     return find(<Integer>[5,6,7],{ it => return it == 6; } );
-}
+}
+
+/*
+int testMap() {
+    var lens = map(<Integer>[123456],{ it => return String.valueOf(it); });
+    return Integer.parseInt(lens.get(0).length());
+}
+*/