Iterator#with_index: fixed missing forwarding argument

crystal-lang · Oct 26, 2016 · 9186fde · 9186fde
1 parent b52aeb0
commit 9186fde
Showing 2 changed files with 9 additions and 1 deletion.
diff --git a/spec/std/iterator_spec.cr b/spec/std/iterator_spec.cr
@@ -450,6 +450,14 @@ describe Iterator do
       end
       tuples.should eq([{1, 0}, {2, 1}, {3, 2}])
     end
+
+    it "does with_index from range, with block with offset" do
+      tuples = [] of {Int32, Int32}
+      (1..3).each.with_index(10) do |value, index|
+        tuples << {value, index}
+      end
+      tuples.should eq([{1, 10}, {2, 11}, {3, 12}])
+    end
   end
 
   describe "with object" do

diff --git a/src/iterator.cr b/src/iterator.cr
@@ -895,7 +895,7 @@ module Iterator(T)
 
   # Yields each element in this iterator together with its index.
   def with_index(offset : Int = 0)
-    with_index.each do |value, index|
+    with_index(offset).each do |value, index|
       yield value, index
     end
   end