Struct File 

pub struct File(/* private fields */);

Implementations

impl File

pub fn read<'a>(&self, buf: &'a mut [u8]) -> Result<&'a [u8], Error>

Read from the file in to a buffer.

Returns a slice from the buffer that was written.

pub fn write(&self, buf: &[u8]) -> Result<usize, Error>

Write the buffer to the file.

Returns the number of bytes written.

pub fn fd<'a>(&'a self) -> Fd<'a>

Get the un-owned, raw file descriptor

Trait Implementations

impl<'a> AsRef<Fd<'a>> for File

fn as_ref(&self) -> &'a Fd<'a>

Converts this type into a shared reference of the (usually inferred) input type.

impl Debug for File

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

Formats the value using the given formatter.

impl Drop for File

fn drop(&mut self)

Executes the destructor for this type.

impl FileDescriptor for File

fn raw(&self) -> u32

impl TryFrom<isize> for File

type Error = Error

The type returned in the event of a conversion error.

fn try_from(maybe: isize) -> Result<File, <File as TryFrom<isize>>::Error>

Performs the conversion.