Struct diskit::void_diskit::VoidDiskit

pub struct VoidDiskit;

Always failling diskit

Every operation with this diskit fails with an Error::Unsupported.

Trait Implementations

impl Clone for VoidDiskit

fn clone(&self) -> VoidDiskit

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for VoidDiskit

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for VoidDiskit

fn default() -> Self

Returns the “default value” for a type.

impl Diskit for VoidDiskit

fn set_pwd_inner(&self, _: &Path) -> Result<(), Error>

Changes the current working directory

fn get_pwd(&self) -> Result<PathBuf, Error>

Retrieves the current working directory

fn open_inner(&self, _: &Path) -> Result<File<Self>, Error>

Opens an exisitent file

fn create_inner(&self, _: &Path) -> Result<File<Self>, Error>

Creates a new file or truncates it

fn open_with_options_inner( &self, _: &Path, _: OpenOptions ) -> Result<File<Self>, Error>

Opens a file with custom options

fn read_inner(&self, _: &FileInner, _: &mut [u8]) -> Result<usize, Error>

Reads as much as possible into the provided buffer

fn read_to_end_inner( &self, _: &mut FileInner, _: &mut Vec<u8> ) -> Result<usize, Error>

Reads the complete file into the provided buffer

fn read_to_string_inner( &self, _: &mut FileInner, _: &mut String ) -> Result<usize, Error>

Reads the complete file into the provided string

fn write_inner(&self, _: &mut FileInner, _: &[u8]) -> Result<usize, Error>

Writes as much as possible from the provided buffer

fn write_all_inner(&self, _: &mut FileInner, _: &[u8]) -> Result<(), Error>

Writes the complete provided buufer into the file

fn flush_inner(&self, _: &mut FileInner) -> Result<(), Error>

Flushes all writes of the file

fn metadata_inner(&self, _: &FileInner) -> Result<Metadata, Error>

Retrieves the metadata of the file

fn seek_inner(&self, _: &mut FileInner, _: SeekFrom) -> Result<u64, Error>

Repositions the file’s cursor

fn create_dir_inner(&self, _: &Path) -> Result<(), Error>

Creates a directory

fn create_dir_all_inner(&self, _: &Path) -> Result<(), Error>

Creates a directory and all above if necessary

fn close_inner(&self, _: FileInner) -> Result<(), Error>

Closes the file

fn walkdir_inner(&self, _: &Path) -> WalkDir<Self>

Creates a Walkdir from a path

fn into_walkdir_iterator(&self, _: WalkDir<Self>) -> WalkdirIterator<Self>

Converts a walkdir builder to an iterator

fn walkdir_next_inner( &self, _: &mut WalkdirIteratorInner ) -> Option<Result<DirEntry, Error>>

Gets the next file in a WalkDir

impl Copy for VoidDiskit