vm_eval.c: blockarg

* vm_eval.c (rb_yield_block): implement non-nil block argument.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43927 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 16 insertions, 0 deletions

diff --git a/ext/-test-/iter/yield.c b/ext/-test-/iter/yield.c
new file mode 100644
index 0000000000..3cd408a928
--- /dev/null
+++ b/ext/-test-/iter/yield.c
@@ -0,0 +1,16 @@
+#include <ruby.h>
+
+static VALUE
+yield_block(int argc, VALUE *argv, VALUE self)
+{
+    rb_check_arity(argc, 1, UNLIMITED_ARGUMENTS);
+    return rb_block_call(self, rb_to_id(argv[0]), argc-1, argv+1, rb_yield_block, 0);
+}
+
+void
+Init_yield(VALUE klass)
+{
+    VALUE yield = rb_define_module_under(klass, "Yield");
+
+    rb_define_method(yield, "yield_block", yield_block, -1);
+}