From c2bcae864e3d8ee4265d9b125f34af9236f5cea7 Mon Sep 17 00:00:00 2001 From: naruse Date: Tue, 17 Jul 2012 07:47:52 +0000 Subject: * proc.c (rb_proc_arity): return normal value (not -n-1) if it is not a labmda, or it is a labmda and no arg_opts. [Bug #5694] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36415 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- proc.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'proc.c') diff --git a/proc.c b/proc.c index bb7f4a1a25..9502f98772 100644 --- a/proc.c +++ b/proc.c @@ -630,6 +630,10 @@ rb_proc_call_with_block(VALUE self, int argc, VALUE *argv, VALUE pass_procval) * Proc.new {|*a|}.arity #=> -1 * Proc.new {|a,*b|}.arity #=> -2 * Proc.new {|a,*b, c|}.arity #=> -3 + * lambda { |a = 0| }.arity #=> -1 + * lambda { |a, b = 0| }.arity #=> -2 + * lambda { |a, b = 0, c = 0| }.arity #=> -2 + * lambda { |(a, b), c = 0| }.arity #=> -2 */ static VALUE @@ -648,7 +652,7 @@ rb_proc_arity(VALUE self) iseq = proc->block.iseq; if (iseq) { if (BUILTIN_TYPE(iseq) != T_NODE) { - if (iseq->arg_rest < 0) { + if (iseq->arg_rest < 0 && (!proc->is_lambda || iseq->arg_opts == 0)) { return iseq->argc; } else { -- cgit v1.2.3