From c72f8734b9433640ba6ce8fd8c245edbc182373e Mon Sep 17 00:00:00 2001
From: Yusuke Endoh <mame@ruby-lang.org>
Date: Tue, 21 Jan 2025 09:56:49 +0900
Subject: [PATCH] Prevent a warning: the block passed to 'map_type_name' .. may
 be ignored

Fixes #2247
---
 lib/rbs/types.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/rbs/types.rb b/lib/rbs/types.rb
index e0064cbb3..246ff31e6 100644
--- a/lib/rbs/types.rb
+++ b/lib/rbs/types.rb
@@ -15,7 +15,7 @@ def sub(s)
     end
 
     module NoTypeName
-      def map_type_name
+      def map_type_name(&)
         self
       end
     end
@@ -229,7 +229,7 @@ def to_s(level = 0)
 
       include EmptyEachType
 
-      def map_type_name
+      def map_type_name(&)
         ClassSingleton.new(
           name: yield(name, location, self),
           location: location