Rename mrb_num_args_error to mrb_argnum_error; ref #4863

src/error.c

@@ -481,7 +481,7 @@ exception_call:
 
       break;
     default:
-      mrb_num_args_error(mrb, argc, 0, 3);
+      mrb_argnum_error(mrb, argc, 0, 3);
       break;
   }
   if (argc > 0) {
@@ -538,7 +538,7 @@ mrb_frozen_error(mrb_state *mrb, void *frozen_obj)
 }
 
 MRB_API mrb_noreturn void
-mrb_num_args_error(mrb_state *mrb, mrb_int argc, int min, int max)
+mrb_argnum_error(mrb_state *mrb, mrb_int argc, int min, int max)
 {
 #define FMT(exp) "wrong number of arguments (given %i, expected " exp ")"
   if (min == max)

src/hash.c

@@ -800,7 +800,7 @@ mrb_hash_init(mrb_state *mrb, mrb_value hash)
   mrb_hash_modify(mrb, hash);
   if (!mrb_nil_p(block)) {
     if (ifnone_p) {
-      mrb_num_args_error(mrb, 1, 0, 0);
+      mrb_argnum_error(mrb, 1, 0, 0);
     }
     RHASH(hash)->flags |= MRB_HASH_PROC_DEFAULT;
     ifnone = block;

src/kernel.c

@@ -384,7 +384,7 @@ mrb_obj_extend(mrb_state *mrb, mrb_int argc, mrb_value *argv, mrb_value obj)
   mrb_int i;
 
   if (argc == 0) {
-    mrb_num_args_error(mrb, argc, 1, -1);
+    mrb_argnum_error(mrb, argc, 1, -1);
   }
   for (i = 0; i < argc; i++) {
     mrb_check_type(mrb, argv[i], MRB_TT_MODULE);