Type Definition vulkanalia::vk::PFN_vkCmdCopyImage

type PFN_vkCmdCopyImage = extern "system" fn(CommandBuffer, Image, ImageLayout, Image, ImageLayout, u32, *const ImageCopy);

https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkCmdCopyImage.html