Type Definition vulkanalia::vk::PFN_vkFreeDescriptorSets

type PFN_vkFreeDescriptorSets = extern "system" fn(Device, DescriptorPool, u32, *const DescriptorSet) -> Result;

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