From ae613a37d98c14d045806293bfb74d9001848e25 Mon Sep 17 00:00:00 2001
From: Jean Boussier <jean.boussier@gmail.com>
Date: Tue, 12 Nov 2024 11:53:35 +0100
Subject: [PATCH] Move `Symbol#name` into `symbol.rb`
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This allows to declare it as leaf just like `Symbol#to_s`.

Co-Authored-By: Étienne Barrié <etienne.barrie@gmail.com>
---
 string.c  |  1 -
 symbol.rb | 14 ++++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/string.c b/string.c
index 93f94fdb4ac234..9f54289dae5627 100644
--- a/string.c
+++ b/string.c
@@ -12740,7 +12740,6 @@ Init_String(void)
     rb_define_method(rb_cSymbol, "==", sym_equal, 1);
     rb_define_method(rb_cSymbol, "===", sym_equal, 1);
     rb_define_method(rb_cSymbol, "inspect", sym_inspect, 0);
-    rb_define_method(rb_cSymbol, "name", rb_sym2str, 0); /* in symbol.c */
     rb_define_method(rb_cSymbol, "to_proc", rb_sym_to_proc, 0); /* in proc.c */
     rb_define_method(rb_cSymbol, "succ", sym_succ, 0);
     rb_define_method(rb_cSymbol, "next", sym_succ, 0);
diff --git a/symbol.rb b/symbol.rb
index bfac11ae21b21d..458d02b177e8f3 100644
--- a/symbol.rb
+++ b/symbol.rb
@@ -14,6 +14,20 @@ def to_s
 
   alias id2name to_s
 
+  # call-seq:
+  #   name -> string
+  #
+  # Returns a frozen string representation of +self+ (not including the leading colon):
+  #
+  #   :foo.name         # => "foo"
+  #   :foo.name.frozen? # => true
+  #
+  # Related: Symbol#to_s, Symbol#inspect.
+  def name
+    Primitive.attr! :leaf
+    Primitive.cexpr! 'rb_sym2str(self)'
+  end
+
   # call-seq:
   #   to_sym -> self
   #