pub fn null() -> Self {
        Self {
            offset: 0,
            byte_size: 0,
            memory: vk::DeviceMemory::null(),
            memory_type_index: 0,
        }
    }
/// Create a null allocation which has a size of zero and a null memory
/// handle.
Create a null allocation which has a size of zero and a null memory
handle.
Create a null allocation which has a size of zero and a null memory handle .
pub fn null() -> Self {
        Self {
            offset: 0,
            byte_size: 0,
            memory: vk::DeviceMemory::null(),
            memory_type_index: 0,
        }
    }
pub fn null ( ) -> Self { Self { offset : 0 , byte_size : 0 , memory : vk :: DeviceMemory :: null ( ) , memory_type_index : 0 , } }
Create a null allocation which has a size of zero and a null memory
handle.
Create a null allocation which has a size of zero and a null memory handle .