i--
	}
	return s[i+1:]
}

func nameFor(t *abi.Type) string {
	return toRType(t).Name()
}

func (t *rtype) ChanDir() ChanDir {
	if t.Kind() != Chan {
		panic("reflect: ChanDir of non-chan type " + t.String())
	}
	tt := (*abi.ChanType)(unsafe.Pointer(t))
	return ChanDir(tt.Dir)
}

func toRType(t *abi.Type) *rtype {
	return (*rtype)(unsafe.Pointer(t))
}

func elem(t *abi.Type) *abi.Type {