Struct storage_proofs_core::parameter_cache::LockedFile

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pub struct LockedFile(_);

Implementations

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pub fn open_shared_read<P: AsRef<Path>>(p: P) -> Result<Self>

Trait Implementations

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impl AsRef<File> for LockedFile

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fn as_ref(&self) -> &File

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

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impl Debug for LockedFile

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

Formats the value using the given formatter. Read more

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impl Drop for LockedFile

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fn drop(&mut self)

Executes the destructor for this type. Read more

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impl Read for LockedFile

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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>

Like read, except that it reads into a slice of buffers. Read more

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fn is_read_vectored(&self) -> bool

🔬 This is a nightly-only experimental API. (can_vector)

Determines if this Reader has an efficient read_vectored implementation. Read more

1.0.0 · source

fn read_to_end(&mut self, buf: &mut Vec<u8, Global>) -> Result<usize, Error>

Read all bytes until EOF in this source, placing them into buf. Read more

1.0.0 · source

fn read_to_string(&mut self, buf: &mut String) -> Result<usize, Error>

Read all bytes until EOF in this source, appending them to buf. Read more

1.6.0 · source

fn read_exact(&mut self, buf: &mut [u8 ]) -> Result<(), Error>

Read the exact number of bytes required to fill buf. Read more

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fn read_buf(&mut self, buf: &mut ReadBuf<'_>) -> Result<(), Error>

🔬 This is a nightly-only experimental API. (read_buf)

Pull some bytes from this source into the specified buffer. Read more

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fn read_buf_exact(&mut self, buf: &mut ReadBuf<'_>) -> Result<(), Error>

🔬 This is a nightly-only experimental API. (read_buf)

Read the exact number of bytes required to fill buf. Read more

1.0.0 · source

fn by_ref(&mut self) -> &mut Self

Creates a “by reference” adaptor for this instance of Read. Read more

1.0.0 · source

fn bytes(self) -> Bytes<Self>

Transforms this Read instance to an Iterator over its bytes. Read more

1.0.0 · source

fn chain<R>(self, next: R) -> Chain<Self, R> where
R: Read,

Creates an adapter which will chain this stream with another. Read more

1.0.0 · source

fn take(self, limit: u64) -> Take<Self>

Creates an adapter which will read at most limit bytes from it. Read more

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impl Seek for LockedFile

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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>

Rewind to the beginning of a stream. Read more

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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

1.51.0 · source

fn stream_position(&mut self) -> Result<u64, Error>

Returns the current seek position from the start of the stream. Read more

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impl Write for LockedFile

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

Write a buffer into this writer, returning how many bytes were written. Read more

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fn flush(&mut self) -> Result<()>

Flush this output stream, ensuring that all intermediately buffered contents reach their destination. Read more

1.36.0 · source

fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> Result<usize, Error>

Like write, except that it writes from a slice of buffers. Read more

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fn is_write_vectored(&self) -> bool

🔬 This is a nightly-only experimental API. (can_vector)

Determines if this Writer has an efficient write_vectored implementation. Read more

1.0.0 · source

fn write_all(&mut self, buf: &[u8 ]) -> Result<(), Error>

Attempts to write an entire buffer into this writer. Read more

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fn write_all_vectored(&mut self, bufs: &mut [IoSlice<'_>]) -> Result<(), Error>

🔬 This is a nightly-only experimental API. (write_all_vectored)

Attempts to write multiple buffers into this writer. Read more

1.0.0 · source

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

Writes a formatted string into this writer, returning any error encountered. Read more

1.0.0 · source

fn by_ref(&mut self) -> &mut Self

Creates a “by reference” adapter for this instance of Write. Read more

Auto Trait Implementations

impl RefUnwindSafe for LockedFile

impl Send for LockedFile

impl Sync for LockedFile

impl Unpin for LockedFile

impl UnwindSafe for LockedFile

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> Conv for T

fn conv<T>(self) -> T where
Self: Into<T>,

Converts self into T using Into<T>. Read more

impl<T> FmtForward for T

fn fmt_binary(self) -> FmtBinary<Self> where
Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.

fn fmt_display(self) -> FmtDisplay<Self> where
Self: Display,

Causes self to use its Display implementation when Debug-formatted. Read more

fn fmt_lower_exp(self) -> FmtLowerExp<Self> where
Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted. Read more

fn fmt_lower_hex(self) -> FmtLowerHex<Self> where
Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted. Read more

fn fmt_octal(self) -> FmtOctal<Self> where
Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.

fn fmt_pointer(self) -> FmtPointer<Self> where
Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted. Read more

fn fmt_upper_exp(self) -> FmtUpperExp<Self> where
Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted. Read more

fn fmt_upper_hex(self) -> FmtUpperHex<Self> where
Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> Pipe for T where
T: ?Sized,

fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R

Pipes by value. This is generally the method you want to use. Read more

fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R where
R: 'a,

Borrows self and passes that borrow into the pipe function. Read more

fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> R where
R: 'a,

Mutably borrows self and passes that borrow into the pipe function. Read more

fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> R where
 Self: Borrow,
 B: 'a + ?Sized,
 R: 'a,

Borrows self, then passes self.borrow() into the pipe function. Read more

fn pipe_borrow_mut<'a, B, R>(
 &'a mut self,
 func: impl FnOnce(&'a mut B) -> R
) -> R where
 Self: BorrowMut,
 B: 'a + ?Sized,
 R: 'a,

Mutably borrows self, then passes self.borrow_mut() into the pipe function. Read more

fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> R where
 Self: AsRef,
 U: 'a + ?Sized,
 R: 'a,

Borrows self, then passes self.as_ref() into the pipe function.

fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> R where
 Self: AsMut,
 U: 'a + ?Sized,
 R: 'a,

Mutably borrows self, then passes self.as_mut() into the pipe function. Read more

fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R where
 Self: Deref<Target = T>,
 T: 'a + ?Sized,
 R: 'a,

Borrows self, then passes self.deref() into the pipe function.

fn pipe_deref_mut<'a, T, R>(
 &'a mut self,
 func: impl FnOnce(&'a mut T) -> R
) -> R where
 Self: DerefMut<Target = T> + Deref,
 T: 'a + ?Sized,
 R: 'a,

Mutably borrows self, then passes self.deref_mut() into the pipe function. Read more

impl<T> Pointable for T

const ALIGN: usize = mem::align_of::()

The alignment of pointer.

type Init = T

The type for initializers.

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

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impl<R> ReadBytesExt for R where
R: Read + ?Sized,

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fn read_u8(&mut self) -> Result<u8, Error>

Reads an unsigned 8 bit integer from the underlying reader. Read more

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fn read_i8(&mut self) -> Result<i8, Error>

Reads a signed 8 bit integer from the underlying reader. Read more

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fn read_u16<T>(&mut self) -> Result<u16, Error> where
T: ByteOrder,

Reads an unsigned 16 bit integer from the underlying reader. Read more

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fn read_i16<T>(&mut self) -> Result<i16, Error> where
T: ByteOrder,

Reads a signed 16 bit integer from the underlying reader. Read more

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fn read_u24<T>(&mut self) -> Result<u32, Error> where
T: ByteOrder,

Reads an unsigned 24 bit integer from the underlying reader. Read more

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fn read_i24<T>(&mut self) -> Result<i32, Error> where
T: ByteOrder,

Reads a signed 24 bit integer from the underlying reader. Read more

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fn read_u32<T>(&mut self) -> Result<u32, Error> where
T: ByteOrder,

Reads an unsigned 32 bit integer from the underlying reader. Read more

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fn read_i32<T>(&mut self) -> Result<i32, Error> where
T: ByteOrder,

Reads a signed 32 bit integer from the underlying reader. Read more

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fn read_u48<T>(&mut self) -> Result<u64, Error> where
T: ByteOrder,

Reads an unsigned 48 bit integer from the underlying reader. Read more

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fn read_i48<T>(&mut self) -> Result<i64, Error> where
T: ByteOrder,

Reads a signed 48 bit integer from the underlying reader. Read more

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fn read_u64<T>(&mut self) -> Result<u64, Error> where
T: ByteOrder,

Reads an unsigned 64 bit integer from the underlying reader. Read more

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fn read_i64<T>(&mut self) -> Result<i64, Error> where
T: ByteOrder,

Reads a signed 64 bit integer from the underlying reader. Read more

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fn read_u128<T>(&mut self) -> Result<u128, Error> where
T: ByteOrder,

Reads an unsigned 128 bit integer from the underlying reader. Read more

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fn read_i128<T>(&mut self) -> Result<i128, Error> where
T: ByteOrder,

Reads a signed 128 bit integer from the underlying reader. Read more

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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

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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

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fn read_uint128<T>(&mut self, nbytes: usize) -> Result<u128, Error> where
T: ByteOrder,

Reads an unsigned n-bytes integer from the underlying reader.

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fn read_int128<T>(&mut self, nbytes: usize) -> Result<i128, Error> where
T: ByteOrder,

Reads a signed n-bytes integer from the underlying reader.

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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 instead

DEPRECATED. Read more

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fn read_f64_into<T>(&mut self, dst: &mut [f64 ]) -> Result<(), Error> where
T: ByteOrder,

Reads a sequence of IEEE754 double-precision (8 bytes) floating point numbers from the underlying reader. Read more

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fn read_f64_into_unchecked<T>(&mut self, dst: &mut [f64 ]) -> Result<(), Error> where
T: ByteOrder,

👎 Deprecated since 1.2.0:

please use read_f64_into instead

DEPRECATED. Read more

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impl<R> ReadBytesExt for R where
R: Read + ?Sized,

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fn read_u8(&mut self) -> Result<u8, Error>

Reads an unsigned 8 bit integer from the underlying reader. Read more

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fn read_i8(&mut self) -> Result<i8, Error>

Reads a signed 8 bit integer from the underlying reader. Read more

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fn read_u16<T>(&mut self) -> Result<u16, Error> where
T: ByteOrder,

Reads an unsigned 16 bit integer from the underlying reader.

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fn read_i16<T>(&mut self) -> Result<i16, Error> where
T: ByteOrder,

Reads a signed 16 bit integer from the underlying reader.

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fn read_u32<T>(&mut self) -> Result<u32, Error> where
T: ByteOrder,

Reads an unsigned 32 bit integer from the underlying reader.

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fn read_i32<T>(&mut self) -> Result<i32, Error> where
T: ByteOrder,

Reads a signed 32 bit integer from the underlying reader.

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fn read_u64<T>(&mut self) -> Result<u64, Error> where
T: ByteOrder,

Reads an unsigned 64 bit integer from the underlying reader.

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fn read_i64<T>(&mut self) -> Result<i64, Error> where
T: ByteOrder,

Reads a signed 64 bit integer from the underlying reader.

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fn read_uint<T>(&mut self, nbytes: usize) -> Result<u64, Error> where
T: ByteOrder,

Reads an unsigned n-bytes integer from the underlying reader.

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fn read_int<T>(&mut self, nbytes: usize) -> Result<i64, Error> where
T: ByteOrder,

Reads a signed n-bytes integer from the underlying reader.

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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

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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

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impl<T> Same<T> for T

type Output = T

Should always be Self

impl<T> Tap for T

fn tap(self, func: impl FnOnce(&Self)) -> Self

Immutable access to a value. Read more

fn tap_mut(self, func: impl FnOnce(&mut Self)) -> Self

Mutable access to a value. Read more

fn tap_borrow(self, func: impl FnOnce(&B)) -> Self where
Self: Borrow,
B: ?Sized,

Immutable access to the Borrow of a value. Read more

fn tap_borrow_mut(self, func: impl FnOnce(&mut B)) -> Self where
Self: BorrowMut,
B: ?Sized,

Mutable access to the BorrowMut of a value. Read more

fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self where
Self: AsRef<R>,
R: ?Sized,

Immutable access to the AsRef<R> view of a value. Read more

fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Self where
Self: AsMut<R>,
R: ?Sized,

Mutable access to the AsMut<R> view of a value. Read more

fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Self where
Self: Deref<Target = T>,
T: ?Sized,

Immutable access to the Deref::Target of a value. Read more

fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Self where
Self: DerefMut<Target = T> + Deref,
T: ?Sized,

Mutable access to the Deref::Target of a value. Read more

fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self

Calls .tap() only in debug builds, and is erased in release builds.

fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self

Calls .tap_mut() only in debug builds, and is erased in release builds. Read more

fn tap_borrow_dbg(self, func: impl FnOnce(&B)) -> Self where
Self: Borrow,
B: ?Sized,

Calls .tap_borrow() only in debug builds, and is erased in release builds. Read more

fn tap_borrow_mut_dbg(self, func: impl FnOnce(&mut B)) -> Self where
Self: BorrowMut,
B: ?Sized,

Calls .tap_borrow_mut() only in debug builds, and is erased in release builds. Read more

fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self where
Self: AsRef<R>,
R: ?Sized,

Calls .tap_ref() only in debug builds, and is erased in release builds. Read more

fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self where
Self: AsMut<R>,
R: ?Sized,

Calls .tap_ref_mut() only in debug builds, and is erased in release builds. Read more

fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self where
Self: Deref<Target = T>,
T: ?Sized,

Calls .tap_deref() only in debug builds, and is erased in release builds. Read more

fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Self where
Self: DerefMut<Target = T> + Deref,
T: ?Sized,

Calls .tap_deref_mut() only in debug builds, and is erased in release builds. Read more

impl<T> TryConv for T

fn try_conv<T>(self) -> Result<T, Self::Error> where
Self: TryInto<T>,

Attempts to convert self into T using TryInto<T>. Read more

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

fn vzip(self) -> V

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impl<W> WriteBytesExt for W where
W: Write + ?Sized,

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fn write_u8(&mut self, n: u8) -> Result<(), Error>

Writes an unsigned 8 bit integer to the underlying writer. Read more

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fn write_i8(&mut self, n: i8) -> Result<(), Error>

Writes a signed 8 bit integer to the underlying writer. Read more

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fn write_u16<T>(&mut self, n: u16) -> Result<(), Error> where
T: ByteOrder,

Writes an unsigned 16 bit integer to the underlying writer. Read more

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fn write_i16<T>(&mut self, n: i16) -> Result<(), Error> where
T: ByteOrder,

Writes a signed 16 bit integer to the underlying writer. Read more

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fn write_u24<T>(&mut self, n: u32) -> Result<(), Error> where
T: ByteOrder,

Writes an unsigned 24 bit integer to the underlying writer. Read more

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fn write_i24<T>(&mut self, n: i32) -> Result<(), Error> where
T: ByteOrder,

Writes a signed 24 bit integer to the underlying writer. Read more

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fn write_u32<T>(&mut self, n: u32) -> Result<(), Error> where
T: ByteOrder,

Writes an unsigned 32 bit integer to the underlying writer. Read more

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fn write_i32<T>(&mut self, n: i32) -> Result<(), Error> where
T: ByteOrder,

Writes a signed 32 bit integer to the underlying writer. Read more

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fn write_u48<T>(&mut self, n: u64) -> Result<(), Error> where
T: ByteOrder,

Writes an unsigned 48 bit integer to the underlying writer. Read more

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fn write_i48<T>(&mut self, n: i64) -> Result<(), Error> where
T: ByteOrder,

Writes a signed 48 bit integer to the underlying writer. Read more

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fn write_u64<T>(&mut self, n: u64) -> Result<(), Error> where
T: ByteOrder,

Writes an unsigned 64 bit integer to the underlying writer. Read more

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fn write_i64<T>(&mut self, n: i64) -> Result<(), Error> where
T: ByteOrder,

Writes a signed 64 bit integer to the underlying writer. Read more

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fn write_u128<T>(&mut self, n: u128) -> Result<(), Error> where
T: ByteOrder,

Writes an unsigned 128 bit integer to the underlying writer.

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fn write_i128<T>(&mut self, n: i128) -> Result<(), Error> where
T: ByteOrder,

Writes a signed 128 bit integer to the underlying writer.

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fn write_uint<T>(&mut self, n: u64, nbytes: usize) -> Result<(), Error> where
T: ByteOrder,

Writes an unsigned n-bytes integer to the underlying writer. Read more

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fn write_int<T>(&mut self, n: i64, nbytes: usize) -> Result<(), Error> where
T: ByteOrder,

Writes a signed n-bytes integer to the underlying writer. Read more

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fn write_uint128<T>(&mut self, n: u128, nbytes: usize) -> Result<(), Error> where
T: ByteOrder,

Writes an unsigned n-bytes integer to the underlying writer. Read more

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fn write_int128<T>(&mut self, n: i128, nbytes: usize) -> Result<(), Error> where
T: ByteOrder,

Writes a signed n-bytes integer to the underlying writer. Read more

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fn write_f32<T>(&mut self, n: f32) -> Result<(), Error> where
T: ByteOrder,

Writes a IEEE754 single-precision (4 bytes) floating point number to the underlying writer. Read more

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fn write_f64<T>(&mut self, n: f64) -> Result<(), Error> where
T: ByteOrder,

Writes a IEEE754 double-precision (8 bytes) floating point number to the underlying writer. Read more

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impl<W> WriteBytesExt for W where
W: Write + ?Sized,

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fn write_u8(&mut self, n: u8) -> Result<(), Error>

Writes an unsigned 8 bit integer to the underlying writer. Read more

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fn write_i8(&mut self, n: i8) -> Result<(), Error>

Writes a signed 8 bit integer to the underlying writer. Read more

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fn write_u16<T>(&mut self, n: u16) -> Result<(), Error> where
T: ByteOrder,

Writes an unsigned 16 bit integer to the underlying writer.

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fn write_i16<T>(&mut self, n: i16) -> Result<(), Error> where
T: ByteOrder,

Writes a signed 16 bit integer to the underlying writer.

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fn write_u32<T>(&mut self, n: u32) -> Result<(), Error> where
T: ByteOrder,

Writes an unsigned 32 bit integer to the underlying writer.

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fn write_i32<T>(&mut self, n: i32) -> Result<(), Error> where
T: ByteOrder,

Writes a signed 32 bit integer to the underlying writer.

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fn write_u64<T>(&mut self, n: u64) -> Result<(), Error> where
T: ByteOrder,

Writes an unsigned 64 bit integer to the underlying writer.

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fn write_i64<T>(&mut self, n: i64) -> Result<(), Error> where
T: ByteOrder,

Writes a signed 64 bit integer to the underlying writer.

source

fn write_uint<T>(&mut self, n: u64, nbytes: usize) -> Result<(), Error> where
T: ByteOrder,

Writes an unsigned n-bytes integer to the underlying writer. Read more

source

fn write_int<T>(&mut self, n: i64, nbytes: usize) -> Result<(), Error> where
T: ByteOrder,

Writes a signed n-bytes integer to the underlying writer. Read more

source

fn write_f32<T>(&mut self, n: f32) -> Result<(), Error> where
T: ByteOrder,

Writes a IEEE754 single-precision (4 bytes) floating point number to the underlying writer. Read more

source

fn write_f64<T>(&mut self, n: f64) -> Result<(), Error> where
T: ByteOrder,

Writes a IEEE754 double-precision (8 bytes) floating point number to the underlying writer. Read more

Struct storage_proofs_core::parameter_cache::LockedFile

Implementations

impl LockedFile

pub fn open_exclusive_read<P: AsRef<Path>>(p: P) -> Result<Self>

pub fn open_exclusive<P: AsRef<Path>>(p: P) -> Result<Self>

pub fn open_shared_read<P: AsRef<Path>>(p: P) -> Result<Self>

Trait Implementations

impl AsRef<File> for LockedFile

fn as_ref(&self) -> &File

impl Debug for LockedFile

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

impl Drop for LockedFile

fn drop(&mut self)

impl Read for LockedFile

fn read(&mut self, buf: &mut [u8]) -> Result<usize>

fn read_vectored(&mut self, bufs: &mut [IoSliceMut<'_>]) -> Result<usize, Error>

fn is_read_vectored(&self) -> bool

fn read_to_end(&mut self, buf: &mut Vec<u8, Global>) -> Result<usize, Error>

fn read_to_string(&mut self, buf: &mut String) -> Result<usize, Error>

fn read_exact(&mut self, buf: &mut [u8]) -> Result<(), Error>

fn read_buf(&mut self, buf: &mut ReadBuf<'_>) -> Result<(), Error>

fn read_buf_exact(&mut self, buf: &mut ReadBuf<'_>) -> Result<(), Error>

fn by_ref(&mut self) -> &mut Self

fn bytes(self) -> Bytes<Self>

fn chain<R>(self, next: R) -> Chain<Self, R> where R: Read,

fn take(self, limit: u64) -> Take<Self>

impl Seek for LockedFile

fn seek(&mut self, pos: SeekFrom) -> Result<u64>

fn rewind(&mut self) -> Result<(), Error>

fn stream_len(&mut self) -> Result<u64, Error>

fn stream_position(&mut self) -> Result<u64, Error>

impl Write for LockedFile

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

fn flush(&mut self) -> Result<()>

fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> Result<usize, Error>

fn is_write_vectored(&self) -> bool

fn write_all(&mut self, buf: &[u8]) -> Result<(), Error>

fn write_all_vectored(&mut self, bufs: &mut [IoSlice<'_>]) -> Result<(), Error>

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

fn by_ref(&mut self) -> &mut Self

Auto Trait Implementations

impl RefUnwindSafe for LockedFile

impl Send for LockedFile

impl Sync for LockedFile

impl Unpin for LockedFile

impl UnwindSafe for LockedFile

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> Conv for T

fn conv<T>(self) -> T where Self: Into<T>,

impl<T> FmtForward for T

fn fmt_binary(self) -> FmtBinary<Self> where Self: Binary,

fn fmt_display(self) -> FmtDisplay<Self> where Self: Display,

fn fmt_lower_exp(self) -> FmtLowerExp<Self> where Self: LowerExp,

fn fmt_lower_hex(self) -> FmtLowerHex<Self> where Self: LowerHex,

fn fmt_octal(self) -> FmtOctal<Self> where Self: Octal,

fn fmt_pointer(self) -> FmtPointer<Self> where Self: Pointer,

fn fmt_upper_exp(self) -> FmtUpperExp<Self> where Self: UpperExp,

fn fmt_upper_hex(self) -> FmtUpperHex<Self> where Self: UpperHex,

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for T where U: From<T>,

fn into(self) -> U

impl<T> Pipe for T where T: ?Sized,

fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R

fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R where R: 'a,

fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> R where R: 'a,

fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> R where Self: Borrow<B>, B: 'a + ?Sized, R: 'a,

fn pipe_borrow_mut<'a, B, R>( &'a mut self, func: impl FnOnce(&'a mut B) -> R) -> R where Self: BorrowMut<B>, B: 'a + ?Sized, R: 'a,

fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> R where Self: AsRef<U>, U: 'a + ?Sized, R: 'a,

fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> R where Self: AsMut<U>, U: 'a + ?Sized, R: 'a,

fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R where Self: Deref<Target = T>, T: 'a + ?Sized, R: 'a,

fn pipe_deref_mut<'a, T, R>( &'a mut self, func: impl FnOnce(&'a mut T) -> R) -> R where Self: DerefMut<Target = T> + Deref, T: 'a + ?Sized, R: 'a,

impl<T> Pointable for T

const ALIGN: usize = mem::align_of::()

fn read(&mut self, buf: &mut [u8 ]) -> Result<usize>

fn read_exact(&mut self, buf: &mut [u8 ]) -> Result<(), Error>

fn chain<R>(self, next: R) -> Chain<Self, R> where
R: Read,

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

fn write_all(&mut self, buf: &[u8 ]) -> Result<(), Error>

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

fn conv<T>(self) -> T where
Self: Into<T>,

fn fmt_binary(self) -> FmtBinary<Self> where
Self: Binary,

fn fmt_display(self) -> FmtDisplay<Self> where
Self: Display,

fn fmt_lower_exp(self) -> FmtLowerExp<Self> where
Self: LowerExp,

fn fmt_lower_hex(self) -> FmtLowerHex<Self> where
Self: LowerHex,

fn fmt_octal(self) -> FmtOctal<Self> where
Self: Octal,

fn fmt_pointer(self) -> FmtPointer<Self> where
Self: Pointer,

fn fmt_upper_exp(self) -> FmtUpperExp<Self> where
Self: UpperExp,

fn fmt_upper_hex(self) -> FmtUpperHex<Self> where
Self: UpperHex,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T> Pipe for T where
T: ?Sized,

fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R where
R: 'a,

fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> R where
R: 'a,

fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> R where
Self: Borrow<B>,
B: 'a + ?Sized,
R: 'a,

fn pipe_borrow_mut<'a, B, R>(
&'a mut self,
func: impl FnOnce(&'a mut B) -> R
) -> R where
Self: BorrowMut<B>,
B: 'a + ?Sized,
R: 'a,

fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> R where
Self: AsRef<U>,
U: 'a + ?Sized,
R: 'a,

fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> R where
Self: AsMut<U>,
U: 'a + ?Sized,
R: 'a,

fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R where
Self: Deref<Target = T>,
T: 'a + ?Sized,
R: 'a,

fn pipe_deref_mut<'a, T, R>(
&'a mut self,
func: impl FnOnce(&'a mut T) -> R
) -> R where
Self: DerefMut<Target = T> + Deref,
T: 'a + ?Sized,
R: 'a,

impl<R> ReadBytesExt for R where
R: Read + ?Sized,

fn read_u16<T>(&mut self) -> Result<u16, Error> where
T: ByteOrder,

fn read_i16<T>(&mut self) -> Result<i16, Error> where
T: ByteOrder,

fn read_u24<T>(&mut self) -> Result<u32, Error> where
T: ByteOrder,

fn read_i24<T>(&mut self) -> Result<i32, Error> where
T: ByteOrder,

fn read_u32<T>(&mut self) -> Result<u32, Error> where
T: ByteOrder,

fn read_i32<T>(&mut self) -> Result<i32, Error> where
T: ByteOrder,

fn read_u48<T>(&mut self) -> Result<u64, Error> where
T: ByteOrder,

fn read_i48<T>(&mut self) -> Result<i64, Error> where
T: ByteOrder,

fn read_u64<T>(&mut self) -> Result<u64, Error> where
T: ByteOrder,

fn read_i64<T>(&mut self) -> Result<i64, Error> where
T: ByteOrder,

fn read_u128<T>(&mut self) -> Result<u128, Error> where
T: ByteOrder,

fn read_i128<T>(&mut self) -> Result<i128, Error> where
T: ByteOrder,

fn read_uint<T>(&mut self, nbytes: usize) -> Result<u64, Error> where
T: ByteOrder,

fn read_int<T>(&mut self, nbytes: usize) -> Result<i64, Error> where
T: ByteOrder,

fn read_uint128<T>(&mut self, nbytes: usize) -> Result<u128, Error> where
T: ByteOrder,

fn read_int128<T>(&mut self, nbytes: usize) -> Result<i128, Error> where
T: ByteOrder,

fn read_f32<T>(&mut self) -> Result<f32, Error> where
T: ByteOrder,

fn read_f64<T>(&mut self) -> Result<f64, Error> where
T: ByteOrder,

fn read_u16_into<T>(&mut self, dst: &mut [u16 ]) -> Result<(), Error> where
T: ByteOrder,

fn read_u32_into<T>(&mut self, dst: &mut [u32 ]) -> Result<(), Error> where
T: ByteOrder,

fn read_u64_into<T>(&mut self, dst: &mut [u64 ]) -> Result<(), Error> where
T: ByteOrder,

fn read_u128_into<T>(&mut self, dst: &mut [u128 ]) -> Result<(), Error> where
T: ByteOrder,

fn read_i8_into(&mut self, dst: &mut [i8 ]) -> Result<(), Error>

fn read_i16_into<T>(&mut self, dst: &mut [i16 ]) -> Result<(), Error> where
T: ByteOrder,

fn read_i32_into<T>(&mut self, dst: &mut [i32 ]) -> Result<(), Error> where
T: ByteOrder,

fn read_i64_into<T>(&mut self, dst: &mut [i64 ]) -> Result<(), Error> where
T: ByteOrder,

fn read_i128_into<T>(&mut self, dst: &mut [i128 ]) -> Result<(), Error> where
T: ByteOrder,

fn read_f32_into<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,

fn read_f64_into<T>(&mut self, dst: &mut [f64 ]) -> Result<(), Error> where
T: ByteOrder,

fn read_f64_into_unchecked<T>(&mut self, dst: &mut [f64 ]) -> Result<(), Error> where
T: ByteOrder,

impl<R> ReadBytesExt for R where
R: Read + ?Sized,

fn read_u16<T>(&mut self) -> Result<u16, Error> where
T: ByteOrder,

fn read_i16<T>(&mut self) -> Result<i16, Error> where
T: ByteOrder,

fn read_u32<T>(&mut self) -> Result<u32, Error> where
T: ByteOrder,

fn read_i32<T>(&mut self) -> Result<i32, Error> where
T: ByteOrder,

fn read_u64<T>(&mut self) -> Result<u64, Error> where
T: ByteOrder,

fn read_i64<T>(&mut self) -> Result<i64, Error> where
T: ByteOrder,

fn read_uint<T>(&mut self, nbytes: usize) -> Result<u64, Error> where
T: ByteOrder,

fn read_int<T>(&mut self, nbytes: usize) -> Result<i64, Error> where
T: ByteOrder,

fn read_f32<T>(&mut self) -> Result<f32, Error> where
T: ByteOrder,

fn read_f64<T>(&mut self) -> Result<f64, Error> where
T: ByteOrder,

fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Self where
Self: Borrow<B>,
B: ?Sized,

fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Self where
Self: BorrowMut<B>,
B: ?Sized,

fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self where
Self: AsRef<R>,
R: ?Sized,

fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Self where
Self: AsMut<R>,
R: ?Sized,

fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Self where
Self: Deref<Target = T>,
T: ?Sized,

fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Self where
Self: DerefMut<Target = T> + Deref,
T: ?Sized,