Merge branch 'feat/defer-exercises'

Author: kawpii

internal/exercises/catalog.yaml

@@ -134,6 +134,7 @@ concepts:
   test_regex: ".*"
   hints:
     - Define a custom error type and return it from a function.
+<<<<<<< HEAD
 - slug: 37_xml
   title: XML Encoding and Decoding
   test_regex: ".*"
@@ -142,6 +143,13 @@ concepts:
     - Add XML struct tags using `xml:"fieldname"` to map struct fields to XML elements.
     - Use xml.Marshal to convert structs to XML bytes.
     - Use xml.Unmarshal to parse XML bytes into structs.
+=======
+- slug: 28_defer
+  title: Deferred Execution
+  test_regex: ".*"
+  hints:
+    - Close the file using `defer` keyword with f.Close().
+>>>>>>> feat/defer-exercises
 
 projects:
 - slug: 101_text_analyzer