92 pub enum MemoryImageSource {  enum
99 impl MemoryImageSource {  implementation
101     pub fn from_file(file: &Arc<File>) -> Option<MemoryImageSource> {  in from_file()  argument
102         Some(MemoryImageSource::Mmap(file.clone()))  in from_file()
106     pub fn from_data(_data: &[u8]) -> io::Result<Option<MemoryImageSource>> {  in from_data()  argument
111     pub fn from_data(data: &[u8]) -> crate::Result<Option<MemoryImageSource>> {  in from_data()  argument
157         Ok(Some(MemoryImageSource::Memfd(memfd)))  in from_data()
163             MemoryImageSource::Mmap(ref file) => file,  in as_file()
165             MemoryImageSource::Memfd(ref memfd) => memfd.as_file(),  in as_file()
183 impl PartialEq for MemoryImageSource {  implementation
184     fn eq(&self, other: &MemoryImageSource) -> bool {  in eq()