'now' function has been added

src/main/java/serene/simple/RootScope.java

@@ -55,10 +55,11 @@ public class RootScope extends AScope {
       put("Boolean", Boolean.class);
       put("String", String.class);
       put("new", new NewFn());
+      put("now", new NowFn());
     }};
 
 
-  // "now", NowFn,;
+
 
   public RootScope() {
     this(null);

src/main/java/serene/simple/builtin/NowFn.java

@@ -0,0 +1,37 @@
+/**
+ * Serene (simple) - A PoC lisp to collect data on Serenes concepts
+ * Copyright (C) 2019-2020 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA  02110-1301, USA.
+ */
+package serene.simple.builtin;
+
+import java.time.Instant;
+
+import serene.simple.IScope;
+import serene.simple.SereneException;
+
+
+public class NowFn extends AFn {
+  public String fnName() {
+    return "now";
+  };
+
+  public Object eval(IScope scope) throws SereneException{
+
+    return Instant.now().toEpochMilli();
+  }
+}