140     fn from_vulkan(val: F) -> Option<Self>;  in from_vulkan()  method
145     fn from_vulkan(val: u8) -> Option<Self> {  in from_vulkan()  method
152     fn from_vulkan(val: [u8; N]) -> Option<Self> {  in from_vulkan()  method
159     fn from_vulkan(val: u32) -> Option<Self> {  in from_vulkan()  method
166     fn from_vulkan(val: [u32; N]) -> Option<Self> {  in from_vulkan()  method
173     fn from_vulkan(val: u64) -> Option<Self> {  in from_vulkan()  method
180     fn from_vulkan(val: usize) -> Option<Self> {  in from_vulkan()  method
187     fn from_vulkan(val: i32) -> Option<Self> {  in from_vulkan()  method
194     fn from_vulkan(val: i64) -> Option<Self> {  in from_vulkan()  method
201     fn from_vulkan(val: f32) -> Option<Self> {  in from_vulkan()  method
208     fn from_vulkan(val: [f32; N]) -> Option<Self> {  in from_vulkan()  method
215     fn from_vulkan(val: [std::os::raw::c_char; N]) -> Option<Self> {  in from_vulkan()  method
222     fn from_vulkan(val: u32) -> Option<Self> {  in from_vulkan()  method
229     fn from_vulkan(val: ash::vk::Bool32) -> Option<Self> {  in from_vulkan()  method
236     fn from_vulkan(val: ash::vk::ConformanceVersion) -> Option<Self> {  in from_vulkan()  method
243     fn from_vulkan(val: ash::vk::DriverId) -> Option<Self> {  in from_vulkan()  method
250     fn from_vulkan(val: ash::vk::Extent2D) -> Option<Self> {  in from_vulkan()  method
257     fn from_vulkan(val: ash::vk::PhysicalDeviceType) -> Option<Self> {  in from_vulkan()  method
264     fn from_vulkan(val: ash::vk::PointClippingBehavior) -> Option<Self> {  in from_vulkan()  method
271     fn from_vulkan(val: ash::vk::ResolveModeFlags) -> Option<Self> {  in from_vulkan()  method
278     fn from_vulkan(val: ash::vk::SampleCountFlags) -> Option<Self> {  in from_vulkan()  method
285     fn from_vulkan(val: ash::vk::SampleCountFlags) -> Option<Self> {  in from_vulkan()  method
292     fn from_vulkan(val: ash::vk::ShaderCorePropertiesFlagsAMD) -> Option<Self> {  in from_vulkan()  method
299     fn from_vulkan(val: ash::vk::ShaderFloatControlsIndependence) -> Option<Self> {  in from_vulkan()  method
306     fn from_vulkan(val: ash::vk::ShaderStageFlags) -> Option<Self> {  in from_vulkan()  method
313     fn from_vulkan(val: ash::vk::SubgroupFeatureFlags) -> Option<Self> {  in from_vulkan()  method