Merge pull request #420 from viralpraxis/drop-31-leftovers

Drop 3.1 leftovers

Author: mbj

spec/unit/unparser_spec.rb

@@ -475,14 +475,6 @@ def foo(bar)
         )
       end
 
-      if RUBY_VERSION < '3.2.'
-        excludes.concat(
-          %w[
-            test/corpus/literal/since/31.rb
-          ]
-        )
-      end
-
       excludes.flat_map { |file| ['--ignore', file] }
     end
 

test/corpus/literal/def.rb

@@ -140,3 +140,11 @@ def f
 def foo(return:)
   { return: }
 end
+
+def foo(&)
+  bar(&)
+end
+
+def foo(a, &)
+  bar(&)
+end