[ruby/io-console] Remove useless rb_check_arity() call

nobu · matzbot · commit 9dbbdcc33fb8 · 2025-12-13T11:34:11.000Z
ruby/io-console@df444b93f1
diff --git a/ext/io/console/console.c b/ext/io/console/console.c
@@ -1651,8 +1651,6 @@ console_dev(int argc, VALUE *argv, VALUE klass)
     VALUE con = 0;
     VALUE sym = 0;
 
-    rb_check_arity(argc, 0, UNLIMITED_ARGUMENTS);
-
     if (argc) {
         Check_Type(sym = argv[0], T_SYMBOL);
     }

Original file line number	Diff line number	Diff line change
`@@ -1651,8 +1651,6 @@ console_dev(int argc, VALUE *argv, VALUE klass)`
`1651`	`1651`	`VALUE con = 0;`
`1652`	`1652`	`VALUE sym = 0;`
`1653`	`1653`
`1654`		`- rb_check_arity(argc, 0, UNLIMITED_ARGUMENTS);`
`1655`		`-`
`1656`	`1654`	`if (argc) {`
`1657`	`1655`	`Check_Type(sym = argv[0], T_SYMBOL);`
`1658`	`1656`	`}`