Just another update

Task/Fibonacci-sequence/Dart/fibonacci-sequence.dart

@@ -1,18 +1,18 @@
 int fib(int n) {
-  if(n==0 || n==1) {
+  if (n==0 || n==1) {
     return n;
   }
-  int prev=1;
-  int current=1;
-  for(int i=2;i<n;i++) {
-    int next=prev+current;
-    prev=current;
-    current=next;
+  var prev=1;
+  var current=1;
+  for (var i=2; i<n; i++) {
+    var next = prev + current;
+    prev = current;
+    current = next;
   }
   return current;
 }
 
-int fibRec(int n) => n==0||n==1 ? n : fibRec(n-1)+fibRec(n-2);
+int fibRec(int n) => n==0 || n==1 ? n : fibRec(n-1) + fibRec(n-2);
 
 main() {
   print(fib(11));