September 2017 Update

Task/Parsing-RPN-to-infix-conversion/Sidef/parsing-rpn-to-infix-conversion.sidef

@@ -1,32 +1,32 @@
 func p(pair, prec) {
-    pair[0] < prec ? "( #{pair[1]} )" : pair[1];
+    pair[0] < prec ? "( #{pair[1]} )" : pair[1]
 }
-
+ 
 func rpm_to_infix(string) {
-    say "#{'='*17}\n#{string}";
-    var stack = [];
+    say "#{'='*17}\n#{string}"
+    var stack = []
     string.each_word { |w|
         if (w ~~ /\d/) {
-            stack << [9, w.to_f];
+            stack << [9, Num(w)]
         }
         else {
-            var y = stack.pop;
-            var x = stack.pop;
+            var y = stack.pop
+            var x = stack.pop
             given(w) {
               when ('^')   { stack << [4, [p(x,5), w, p(y,4)].join(' ')] }
               when (<* />) { stack << [3, [p(x,3), w, p(y,3)].join(' ')] }
               when (<+ ->) { stack << [2, [p(x,2), w, p(y,2)].join(' ')] }
             }
-            say stack;
+            say stack
         }
-    };
-    '-'*17 -> say;
-    stack.map{_[1]};
+    }
+    say '-'*17
+    stack.map{_[1]}
 }
-
+ 
 var tests = [
     '3 4 2 * 1 5 - 2 3 ^ ^ / +',
     '1 2 + 3 4 + ^ 5 6 + ^',
-];
-
+]
+ 
 tests.each { say rpm_to_infix(_).join(' ') }