lazy_super       2073 enumerator.c       rb_define_method(rb_cLazy, "chunk", lazy_super, -1);
lazy_super       2074 enumerator.c       rb_define_method(rb_cLazy, "slice_before", lazy_super, -1);
lazy_super       2075 enumerator.c       rb_define_method(rb_cLazy, "slice_after", lazy_super, -1);
lazy_super       2076 enumerator.c       rb_define_method(rb_cLazy, "slice_when", lazy_super, -1);