From 33ec660cff410886750bc6ab413de7550d1ee628 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Sat, 1 Nov 2025 23:16:50 +0900
Subject: [PATCH] kernel.c: combine variable declaration with initialization

---
 src/kernel.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/src/kernel.c b/src/kernel.c
index 7efa8c7ef..a78dc6dc6 100644
--- a/src/kernel.c
+++ b/src/kernel.c
@@ -537,11 +537,10 @@ static mrb_value
 mrb_obj_remove_instance_variable(mrb_state *mrb, mrb_value self)
 {
   mrb_sym sym;
-  mrb_value val;
 
   mrb_get_args(mrb, "n", &sym);
   mrb_iv_name_sym_check(mrb, sym);
-  val = mrb_iv_remove(mrb, self, sym);
+  mrb_value val = mrb_iv_remove(mrb, self, sym);
   if (mrb_undef_p(val)) {
     mrb_name_error(mrb, sym, "instance variable %n not defined", sym);
   }
@@ -575,8 +574,7 @@ obj_respond_to(mrb_state *mrb, mrb_value self)
   if (!respond_to_p) {
     mrb_sym rtm_id = MRB_SYM_Q(respond_to_missing);
     if (!mrb_func_basic_p(mrb, self, rtm_id, mrb_false)) {
-      mrb_value v;
-      v = mrb_funcall_id(mrb, self, rtm_id, 2, mrb_symbol_value(id), mrb_bool_value(priv));
+      mrb_value v = mrb_funcall_id(mrb, self, rtm_id, 2, mrb_symbol_value(id), mrb_bool_value(priv));
       return mrb_bool_value(mrb_bool(v));
     }
   }
@@ -587,7 +585,6 @@ static mrb_value
 mrb_obj_ceqq(mrb_state *mrb, mrb_value self)
 {
   mrb_value v = mrb_get_arg1(mrb);
-  mrb_int i, len;
   mrb_sym eqq = MRB_OPSYM(eqq);
   mrb_value ary;
 
@@ -610,8 +607,8 @@ mrb_obj_ceqq(mrb_state *mrb, mrb_value self)
     }
     mrb_ensure_array_type(mrb, ary);
   }
-  len = RARRAY_LEN(ary);
-  for (i=0; i<len; i++) {
+  mrb_int len = RARRAY_LEN(ary);
+  for (mrb_int i=0; i<len; i++) {
     mrb_value c = mrb_funcall_argv(mrb, RARRAY_PTR(ary)[i], eqq, 1, &v);
     if (mrb_test(c)) return mrb_true_value();
   }