Type Alias PFN_vkEnumerateInstanceVersion 

pub type PFN_vkEnumerateInstanceVersion = Option<unsafe extern "system" fn(pApiVersion: *mut u32) -> VkResult>;

Aliased Type

pub enum PFN_vkEnumerateInstanceVersion {
    None,
    Some(unsafe extern "system" fn(*mut u32) -> i32),
}

Variants

None

No value.

Some(unsafe extern "system" fn(*mut u32) -> i32)

Some value of type T.