Type Definition vulkanalia::vk::PFN_vkMergePipelineCaches

type PFN_vkMergePipelineCaches = extern "system" fn(Device, PipelineCache, u32, *const PipelineCache) -> Result;

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