Type Alias PFN_vkAllocationFunction

pub type PFN_vkAllocationFunction = Option<unsafe extern "system" fn(p_user_data: *mut c_void, size: usize, alignment: usize, allocation_scope: SystemAllocationScope) -> *mut c_void>;

https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/PFN_vkAllocationFunction.html

Aliased Type

enum PFN_vkAllocationFunction {
    None,
    Some(unsafe extern "system" fn(_: *mut c_void, _: usize, _: usize, _: SystemAllocationScope) -> *mut c_void),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: *mut c_void, _: usize, _: usize, _: SystemAllocationScope) -> *mut c_void)

Some value of type T.