pub enum File {
Local(File),
Ram(RamFile),
Zip(ZipFsFile),
Tar(TarFsFile),
User(Box<dyn UserFile>),
}
Expand description
File you can seek and read from.
Variants§
Trait Implementations§
Source§impl Read for File
impl Read for File
Source§fn read(&mut self, buf: &mut [u8]) -> Result<usize>
fn read(&mut self, buf: &mut [u8]) -> Result<usize>
Pull some bytes from this source into the specified buffer, returning
how many bytes were read. Read more
1.36.0 · Source§fn read_vectored(&mut self, bufs: &mut [IoSliceMut<'_>]) -> Result<usize, Error>
fn read_vectored(&mut self, bufs: &mut [IoSliceMut<'_>]) -> Result<usize, Error>
Like
read
, except that it reads into a slice of buffers. Read moreSource§fn is_read_vectored(&self) -> bool
fn is_read_vectored(&self) -> bool
🔬This is a nightly-only experimental API. (
can_vector
)1.0.0 · Source§fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize, Error>
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize, Error>
Reads all bytes until EOF in this source, placing them into
buf
. Read more1.0.0 · Source§fn read_to_string(&mut self, buf: &mut String) -> Result<usize, Error>
fn read_to_string(&mut self, buf: &mut String) -> Result<usize, Error>
Reads all bytes until EOF in this source, appending them to
buf
. Read more1.6.0 · Source§fn read_exact(&mut self, buf: &mut [u8]) -> Result<(), Error>
fn read_exact(&mut self, buf: &mut [u8]) -> Result<(), Error>
Reads the exact number of bytes required to fill
buf
. Read moreSource§fn read_buf(&mut self, buf: BorrowedCursor<'_>) -> Result<(), Error>
fn read_buf(&mut self, buf: BorrowedCursor<'_>) -> Result<(), Error>
🔬This is a nightly-only experimental API. (
read_buf
)Pull some bytes from this source into the specified buffer. Read more
Source§fn read_buf_exact(&mut self, cursor: BorrowedCursor<'_>) -> Result<(), Error>
fn read_buf_exact(&mut self, cursor: BorrowedCursor<'_>) -> Result<(), Error>
🔬This is a nightly-only experimental API. (
read_buf
)Reads the exact number of bytes required to fill
cursor
. Read more1.0.0 · Source§fn by_ref(&mut self) -> &mut Selfwhere
Self: Sized,
fn by_ref(&mut self) -> &mut Selfwhere
Self: Sized,
Creates a “by reference” adaptor for this instance of
Read
. Read moreSource§impl Seek for File
impl Seek for File
Source§fn seek(&mut self, pos: SeekFrom) -> Result<u64>
fn seek(&mut self, pos: SeekFrom) -> Result<u64>
Seek to an offset, in bytes, in a stream. Read more
1.55.0 · Source§fn rewind(&mut self) -> Result<(), Error>
fn rewind(&mut self) -> Result<(), Error>
Rewind to the beginning of a stream. Read more
Source§fn stream_len(&mut self) -> Result<u64, Error>
fn stream_len(&mut self) -> Result<u64, Error>
🔬This is a nightly-only experimental API. (
seek_stream_len
)Returns the length of this stream (in bytes). Read more
Auto Trait Implementations§
impl Freeze for File
impl !RefUnwindSafe for File
impl !Send for File
impl !Sync for File
impl Unpin for File
impl !UnwindSafe for File
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<R> ReadBytesExt for R
impl<R> ReadBytesExt for R
Source§fn read_u8(&mut self) -> Result<u8, Error>
fn read_u8(&mut self) -> Result<u8, Error>
Reads an unsigned 8 bit integer from the underlying reader. Read more
Source§fn read_i8(&mut self) -> Result<i8, Error>
fn read_i8(&mut self) -> Result<i8, Error>
Reads a signed 8 bit integer from the underlying reader. Read more
Source§fn read_u16<T>(&mut self) -> Result<u16, Error>where
T: ByteOrder,
fn read_u16<T>(&mut self) -> Result<u16, Error>where
T: ByteOrder,
Reads an unsigned 16 bit integer from the underlying reader. Read more
Source§fn read_i16<T>(&mut self) -> Result<i16, Error>where
T: ByteOrder,
fn read_i16<T>(&mut self) -> Result<i16, Error>where
T: ByteOrder,
Reads a signed 16 bit integer from the underlying reader. Read more
Source§fn read_u24<T>(&mut self) -> Result<u32, Error>where
T: ByteOrder,
fn read_u24<T>(&mut self) -> Result<u32, Error>where
T: ByteOrder,
Reads an unsigned 24 bit integer from the underlying reader. Read more
Source§fn read_i24<T>(&mut self) -> Result<i32, Error>where
T: ByteOrder,
fn read_i24<T>(&mut self) -> Result<i32, Error>where
T: ByteOrder,
Reads a signed 24 bit integer from the underlying reader. Read more
Source§fn read_u32<T>(&mut self) -> Result<u32, Error>where
T: ByteOrder,
fn read_u32<T>(&mut self) -> Result<u32, Error>where
T: ByteOrder,
Reads an unsigned 32 bit integer from the underlying reader. Read more
Source§fn read_i32<T>(&mut self) -> Result<i32, Error>where
T: ByteOrder,
fn read_i32<T>(&mut self) -> Result<i32, Error>where
T: ByteOrder,
Reads a signed 32 bit integer from the underlying reader. Read more
Source§fn read_u48<T>(&mut self) -> Result<u64, Error>where
T: ByteOrder,
fn read_u48<T>(&mut self) -> Result<u64, Error>where
T: ByteOrder,
Reads an unsigned 48 bit integer from the underlying reader. Read more
Source§fn read_i48<T>(&mut self) -> Result<i64, Error>where
T: ByteOrder,
fn read_i48<T>(&mut self) -> Result<i64, Error>where
T: ByteOrder,
Reads a signed 48 bit integer from the underlying reader. Read more
Source§fn read_u64<T>(&mut self) -> Result<u64, Error>where
T: ByteOrder,
fn read_u64<T>(&mut self) -> Result<u64, Error>where
T: ByteOrder,
Reads an unsigned 64 bit integer from the underlying reader. Read more
Source§fn read_i64<T>(&mut self) -> Result<i64, Error>where
T: ByteOrder,
fn read_i64<T>(&mut self) -> Result<i64, Error>where
T: ByteOrder,
Reads a signed 64 bit integer from the underlying reader. Read more
Source§fn read_u128<T>(&mut self) -> Result<u128, Error>where
T: ByteOrder,
fn read_u128<T>(&mut self) -> Result<u128, Error>where
T: ByteOrder,
Reads an unsigned 128 bit integer from the underlying reader. Read more
Source§fn read_i128<T>(&mut self) -> Result<i128, Error>where
T: ByteOrder,
fn read_i128<T>(&mut self) -> Result<i128, Error>where
T: ByteOrder,
Reads a signed 128 bit integer from the underlying reader. Read more
Source§fn read_uint<T>(&mut self, nbytes: usize) -> Result<u64, Error>where
T: ByteOrder,
fn read_uint<T>(&mut self, nbytes: usize) -> Result<u64, Error>where
T: ByteOrder,
Reads an unsigned n-bytes integer from the underlying reader. Read more
Source§fn read_int<T>(&mut self, nbytes: usize) -> Result<i64, Error>where
T: ByteOrder,
fn read_int<T>(&mut self, nbytes: usize) -> Result<i64, Error>where
T: ByteOrder,
Reads a signed n-bytes integer from the underlying reader. Read more
Source§fn read_uint128<T>(&mut self, nbytes: usize) -> Result<u128, Error>where
T: ByteOrder,
fn read_uint128<T>(&mut self, nbytes: usize) -> Result<u128, Error>where
T: ByteOrder,
Reads an unsigned n-bytes integer from the underlying reader.
Source§fn read_int128<T>(&mut self, nbytes: usize) -> Result<i128, Error>where
T: ByteOrder,
fn read_int128<T>(&mut self, nbytes: usize) -> Result<i128, Error>where
T: ByteOrder,
Reads a signed n-bytes integer from the underlying reader.
Source§fn read_f32<T>(&mut self) -> Result<f32, Error>where
T: ByteOrder,
fn read_f32<T>(&mut self) -> Result<f32, Error>where
T: ByteOrder,
Reads a IEEE754 single-precision (4 bytes) floating point number from
the underlying reader. Read more
Source§fn read_f64<T>(&mut self) -> Result<f64, Error>where
T: ByteOrder,
fn read_f64<T>(&mut self) -> Result<f64, Error>where
T: ByteOrder,
Reads a IEEE754 double-precision (8 bytes) floating point number from
the underlying reader. Read more
Source§fn read_u16_into<T>(&mut self, dst: &mut [u16]) -> Result<(), Error>where
T: ByteOrder,
fn read_u16_into<T>(&mut self, dst: &mut [u16]) -> Result<(), Error>where
T: ByteOrder,
Reads a sequence of unsigned 16 bit integers from the underlying
reader. Read more
Source§fn read_u32_into<T>(&mut self, dst: &mut [u32]) -> Result<(), Error>where
T: ByteOrder,
fn read_u32_into<T>(&mut self, dst: &mut [u32]) -> Result<(), Error>where
T: ByteOrder,
Reads a sequence of unsigned 32 bit integers from the underlying
reader. Read more
Source§fn read_u64_into<T>(&mut self, dst: &mut [u64]) -> Result<(), Error>where
T: ByteOrder,
fn read_u64_into<T>(&mut self, dst: &mut [u64]) -> Result<(), Error>where
T: ByteOrder,
Reads a sequence of unsigned 64 bit integers from the underlying
reader. Read more
Source§fn read_u128_into<T>(&mut self, dst: &mut [u128]) -> Result<(), Error>where
T: ByteOrder,
fn read_u128_into<T>(&mut self, dst: &mut [u128]) -> Result<(), Error>where
T: ByteOrder,
Reads a sequence of unsigned 128 bit integers from the underlying
reader. Read more
Source§fn read_i8_into(&mut self, dst: &mut [i8]) -> Result<(), Error>
fn read_i8_into(&mut self, dst: &mut [i8]) -> Result<(), Error>
Reads a sequence of signed 8 bit integers from the underlying reader. Read more
Source§fn read_i16_into<T>(&mut self, dst: &mut [i16]) -> Result<(), Error>where
T: ByteOrder,
fn read_i16_into<T>(&mut self, dst: &mut [i16]) -> Result<(), Error>where
T: ByteOrder,
Reads a sequence of signed 16 bit integers from the underlying
reader. Read more
Source§fn read_i32_into<T>(&mut self, dst: &mut [i32]) -> Result<(), Error>where
T: ByteOrder,
fn read_i32_into<T>(&mut self, dst: &mut [i32]) -> Result<(), Error>where
T: ByteOrder,
Reads a sequence of signed 32 bit integers from the underlying
reader. Read more
Source§fn read_i64_into<T>(&mut self, dst: &mut [i64]) -> Result<(), Error>where
T: ByteOrder,
fn read_i64_into<T>(&mut self, dst: &mut [i64]) -> Result<(), Error>where
T: ByteOrder,
Reads a sequence of signed 64 bit integers from the underlying
reader. Read more
Source§fn read_i128_into<T>(&mut self, dst: &mut [i128]) -> Result<(), Error>where
T: ByteOrder,
fn read_i128_into<T>(&mut self, dst: &mut [i128]) -> Result<(), Error>where
T: ByteOrder,
Reads a sequence of signed 128 bit integers from the underlying
reader. Read more
Source§fn read_f32_into<T>(&mut self, dst: &mut [f32]) -> Result<(), Error>where
T: ByteOrder,
fn read_f32_into<T>(&mut self, dst: &mut [f32]) -> Result<(), Error>where
T: ByteOrder,
Reads a sequence of IEEE754 single-precision (4 bytes) floating
point numbers from the underlying reader. Read more
Source§fn read_f32_into_unchecked<T>(&mut self, dst: &mut [f32]) -> Result<(), Error>where
T: ByteOrder,
fn read_f32_into_unchecked<T>(&mut self, dst: &mut [f32]) -> Result<(), Error>where
T: ByteOrder,
👎Deprecated since 1.2.0: please use
read_f32_into
insteadDEPRECATED. Read more