Add custom rule for array/dictionary initialization

Author: rcritz

com.raywenderlich.swiftlint.yml

@@ -10,7 +10,6 @@ disabled_rules:
   - todo
   - unused_capture_list
 
-
 opt_in_rules:
   - array_init
   - attributes
@@ -53,6 +52,15 @@ opt_in_rules:
   - yoda_condition
 
 
+custom_rules:
+  array_constructor:
+    name: "Array/Dictionary initializer"
+    regex: '[let,var] .+ = (\[.+\]\(\))'
+    capture_group: 1
+    message: "Use explicit type annotation when initializing arrays and dictionaries"
+    severity: warning
+
+
 attributes:
   always_on_same_line:
     - "@IBSegueAction"