use ash::vk;
pub trait VertexDesc {
const BINDING_DESCRIPTIONS: &'static [vk::VertexInputBindingDescription];
const ATTRIBUTE_DESCRIPTIONS: &'static [vk::VertexInputAttributeDescription];
}
impl VertexDesc for () {
const BINDING_DESCRIPTIONS: &'static [vk::VertexInputBindingDescription] = &[];
const ATTRIBUTE_DESCRIPTIONS: &'static [vk::VertexInputAttributeDescription] = &[];
}