[ruby-dev:174] Re: argument default value

まつもと ゆきひろです

In message "[ruby-dev:172] Re: argument default value"
    on 97/08/19, WATANABE Hirofumi <[e-mail]> writes:
|
|わたなべです.

|def foo(arg)
|   print arg, "\n"
|end
|
|foo "first", "second"
|
|がエラーにならないっす.

すんません．再パッチです．元のファイルに当て直して下さい．

--- eval.c~	Tue Aug 19 13:17:44 1997
+++ eval.c	Tue Aug 19 14:25:09 1997
@@ -3044,3 +3044 @@
-		    if (i > argc
-			|| (node->nd_rest == -1
-			    && i+(node->nd_opt?node->nd_opt->nd_alen:0)<argc)){
+		    if (i > argc) {
@@ -3048,0 +3047,13 @@
+		    if (node->nd_rest == -1) {
+			int opt = argc - i;
+			NODE *optnode = node->nd_opt;
+
+			while (optnode) {
+			    opt--;
+			    optnode = node->nd_next;
+			}
+			if (opt > 0) {
+			    ArgError("Wrong # of arguments(%d for %d)",
+				     argc, argc-opt);
+			}
+		    }