Type Alias PFN_vkReallocationFunction 

pub type PFN_vkReallocationFunction = Option<unsafe extern "system" fn(*mut c_void, *mut c_void, usize, usize, SystemAllocationScope) -> *mut c_void>;

https://www.khronos.org/registry/vulkan/specs/latest/man/html/PFN_vkReallocationFunction.html

Aliased Type

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

Variants

None

No value.

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

Some value of type T.