Struct storage_proofs_core::data::Data
source · [−]pub struct Data<'a> { /* private fields */ }Expand description
A wrapper around data either on disk or a slice in memory, that can be dropped and read back into memory, to allow for better control of memory consumption.
Implementations
sourceimpl<'a> Data<'a>
impl<'a> Data<'a>
pub fn from_path(path: PathBuf) -> Self
pub fn new(raw: &'a mut [u8], path: PathBuf) -> Self
pub fn empty() -> Self
pub fn len(&self) -> usize
pub fn is_empty(&self) -> bool
sourcepub fn ensure_data(&mut self) -> Result<()>
pub fn ensure_data(&mut self) -> Result<()>
Recover the data.
pub fn ensure_data_of_len(&mut self, len: usize) -> Result<()>
Trait Implementations
Auto Trait Implementations
impl<'a> RefUnwindSafe for Data<'a>
impl<'a> Send for Data<'a>
impl<'a> Sync for Data<'a>
impl<'a> Unpin for Data<'a>
impl<'a> !UnwindSafe for Data<'a>
Blanket Implementations
impl<A, T> AsBits<T> for A where
A: AsRef<[T]>,
T: BitStore,
impl<A, T> AsBits<T> for A where
A: AsRef<[T]>,
T: BitStore,
fn as_bits<O>(&self) -> &BitSlice<O, T>ⓘNotable traits for &'a mut BitSlice<O, T>impl<'a, O, T> Write for &'a mut BitSlice<O, T> where
O: BitOrder,
T: BitStore,
BitSlice<O, T>: BitField, impl<'a, O, T> Read for &'a BitSlice<O, T> where
O: BitOrder,
T: BitStore,
BitSlice<O, T>: BitField, where
O: BitOrder,
fn as_bits<O>(&self) -> &BitSlice<O, T>ⓘNotable traits for &'a mut BitSlice<O, T>impl<'a, O, T> Write for &'a mut BitSlice<O, T> where
O: BitOrder,
T: BitStore,
BitSlice<O, T>: BitField, impl<'a, O, T> Read for &'a BitSlice<O, T> where
O: BitOrder,
T: BitStore,
BitSlice<O, T>: BitField, where
O: BitOrder,
O: BitOrder,
T: BitStore,
BitSlice<O, T>: BitField, impl<'a, O, T> Read for &'a BitSlice<O, T> where
O: BitOrder,
T: BitStore,
BitSlice<O, T>: BitField,
Views memory as a slice of immutable bits. Read more
impl<A, T> AsBitsMut<T> for A where
A: AsMut<[T]>,
T: BitStore,
impl<A, T> AsBitsMut<T> for A where
A: AsMut<[T]>,
T: BitStore,
fn as_bits_mut<O>(&mut self) -> &mut BitSlice<O, T>ⓘNotable traits for &'a mut BitSlice<O, T>impl<'a, O, T> Write for &'a mut BitSlice<O, T> where
O: BitOrder,
T: BitStore,
BitSlice<O, T>: BitField, impl<'a, O, T> Read for &'a BitSlice<O, T> where
O: BitOrder,
T: BitStore,
BitSlice<O, T>: BitField, where
O: BitOrder,
fn as_bits_mut<O>(&mut self) -> &mut BitSlice<O, T>ⓘNotable traits for &'a mut BitSlice<O, T>impl<'a, O, T> Write for &'a mut BitSlice<O, T> where
O: BitOrder,
T: BitStore,
BitSlice<O, T>: BitField, impl<'a, O, T> Read for &'a BitSlice<O, T> where
O: BitOrder,
T: BitStore,
BitSlice<O, T>: BitField, where
O: BitOrder,
O: BitOrder,
T: BitStore,
BitSlice<O, T>: BitField, impl<'a, O, T> Read for &'a BitSlice<O, T> where
O: BitOrder,
T: BitStore,
BitSlice<O, T>: BitField,
Views memory as a slice of mutable bits. Read more
impl<U> AsMutSliceOf for U where
U: AsMut<[u8]> + ?Sized,
impl<U> AsMutSliceOf for U where
U: AsMut<[u8]> + ?Sized,
fn as_mut_slice_of<T>(&mut self) -> Result<&mut [T], Error> where
T: FromByteSlice,
impl<U> AsSliceOf for U where
U: AsRef<[u8]> + ?Sized,
impl<U> AsSliceOf for U where
U: AsRef<[u8]> + ?Sized,
fn as_slice_of<T>(&self) -> Result<&[T], Error> where
T: FromByteSlice,
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
impl<T> FmtForward for T
impl<T> FmtForward for T
fn fmt_binary(self) -> FmtBinary<Self> where
Self: Binary,
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,
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,
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,
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,
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,
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,
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,
fn fmt_upper_hex(self) -> FmtUpperHex<Self> where
Self: UpperHex,
Causes self to use its UpperHex implementation when
Debug-formatted. Read more
impl<T> Pipe for T where
T: ?Sized,
impl<T> Pipe for T where
T: ?Sized,
fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R
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,
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,
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>,
B: 'a + ?Sized,
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,
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>,
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,
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>,
U: '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,
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>,
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,
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,
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.
impl<T> Pointable for T
impl<T> Pointable for T
impl<T> Tap for T
impl<T> Tap for T
fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Self where
Self: Borrow<B>,
B: ?Sized,
fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Self where
Self: Borrow<B>,
B: ?Sized,
Immutable access to the Borrow<B> of a value. Read more
fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Self where
Self: BorrowMut<B>,
B: ?Sized,
fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Self where
Self: BorrowMut<B>,
B: ?Sized,
Mutable access to the BorrowMut<B> of a value. Read more
fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self where
Self: AsRef<R>,
R: ?Sized,
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,
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,
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,
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
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
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<B>(self, func: impl FnOnce(&B)) -> Self where
Self: Borrow<B>,
B: ?Sized,
fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Self where
Self: Borrow<B>,
B: ?Sized,
Calls .tap_borrow() only in debug builds, and is erased in release
builds. Read more
fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Self where
Self: BorrowMut<B>,
B: ?Sized,
fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Self where
Self: BorrowMut<B>,
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,
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,
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
sourceimpl<T> ToHex for T where
T: AsRef<[u8]>,
impl<T> ToHex for T where
T: AsRef<[u8]>,
sourcefn encode_hex<U>(&self) -> U where
U: FromIterator<char>,
fn encode_hex<U>(&self) -> U where
U: FromIterator<char>,
Encode the hex strict representing self into the result. Lower case
letters are used (e.g. f9b4ca) Read more
sourcefn encode_hex_upper<U>(&self) -> U where
U: FromIterator<char>,
fn encode_hex_upper<U>(&self) -> U where
U: FromIterator<char>,
Encode the hex strict representing self into the result. Upper case
letters are used (e.g. F9B4CA) Read more