Struct parity_scale_codec::CompactRef
source · pub struct CompactRef<'a, T>(pub &'a T);
Expand description
Compact-encoded variant of &’a T. This is more space-efficient but less compute-efficient.
Tuple Fields§
§0: &'a T
Trait Implementations§
source§impl<'a, T: Clone> Clone for CompactRef<'a, T>
impl<'a, T: Clone> Clone for CompactRef<'a, T>
source§fn clone(&self) -> CompactRef<'a, T>
fn clone(&self) -> CompactRef<'a, T>
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moresource§impl<'a> Encode for CompactRef<'a, ()>
impl<'a> Encode for CompactRef<'a, ()>
source§fn encode_to<W: Output + ?Sized>(&self, _dest: &mut W)
fn encode_to<W: Output + ?Sized>(&self, _dest: &mut W)
Convert self to a slice and append it to the destination.
source§fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R
fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R
Convert self to a slice and then invoke the given closure with it.
source§fn size_hint(&self) -> usize
fn size_hint(&self) -> usize
If possible give a hint of expected size of the encoding. Read more
source§fn encoded_size(&self) -> usize
fn encoded_size(&self) -> usize
Calculates the encoded size. Read more
source§impl<'a, T> Encode for CompactRef<'a, T>where
T: CompactAs,
for<'b> CompactRef<'b, T::As>: Encode,
impl<'a, T> Encode for CompactRef<'a, T>where T: CompactAs, for<'b> CompactRef<'b, T::As>: Encode,
source§fn size_hint(&self) -> usize
fn size_hint(&self) -> usize
If possible give a hint of expected size of the encoding. Read more
source§fn encode_to<Out: Output + ?Sized>(&self, dest: &mut Out)
fn encode_to<Out: Output + ?Sized>(&self, dest: &mut Out)
Convert self to a slice and append it to the destination.
source§fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R
fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R
Convert self to a slice and then invoke the given closure with it.
source§fn encoded_size(&self) -> usize
fn encoded_size(&self) -> usize
Calculates the encoded size. Read more
source§impl<'a> Encode for CompactRef<'a, u128>
impl<'a> Encode for CompactRef<'a, u128>
source§fn size_hint(&self) -> usize
fn size_hint(&self) -> usize
If possible give a hint of expected size of the encoding. Read more
source§fn encode_to<W: Output + ?Sized>(&self, dest: &mut W)
fn encode_to<W: Output + ?Sized>(&self, dest: &mut W)
Convert self to a slice and append it to the destination.
source§fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R
fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R
Convert self to a slice and then invoke the given closure with it.
source§fn encoded_size(&self) -> usize
fn encoded_size(&self) -> usize
Calculates the encoded size. Read more
source§impl<'a> Encode for CompactRef<'a, u16>
impl<'a> Encode for CompactRef<'a, u16>
source§fn size_hint(&self) -> usize
fn size_hint(&self) -> usize
If possible give a hint of expected size of the encoding. Read more
source§fn encode_to<W: Output + ?Sized>(&self, dest: &mut W)
fn encode_to<W: Output + ?Sized>(&self, dest: &mut W)
Convert self to a slice and append it to the destination.
source§fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R
fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R
Convert self to a slice and then invoke the given closure with it.
source§fn encoded_size(&self) -> usize
fn encoded_size(&self) -> usize
Calculates the encoded size. Read more
source§impl<'a> Encode for CompactRef<'a, u32>
impl<'a> Encode for CompactRef<'a, u32>
source§fn size_hint(&self) -> usize
fn size_hint(&self) -> usize
If possible give a hint of expected size of the encoding. Read more
source§fn encode_to<W: Output + ?Sized>(&self, dest: &mut W)
fn encode_to<W: Output + ?Sized>(&self, dest: &mut W)
Convert self to a slice and append it to the destination.
source§fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R
fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R
Convert self to a slice and then invoke the given closure with it.
source§fn encoded_size(&self) -> usize
fn encoded_size(&self) -> usize
Calculates the encoded size. Read more
source§impl<'a> Encode for CompactRef<'a, u64>
impl<'a> Encode for CompactRef<'a, u64>
source§fn size_hint(&self) -> usize
fn size_hint(&self) -> usize
If possible give a hint of expected size of the encoding. Read more
source§fn encode_to<W: Output + ?Sized>(&self, dest: &mut W)
fn encode_to<W: Output + ?Sized>(&self, dest: &mut W)
Convert self to a slice and append it to the destination.
source§fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R
fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R
Convert self to a slice and then invoke the given closure with it.
source§fn encoded_size(&self) -> usize
fn encoded_size(&self) -> usize
Calculates the encoded size. Read more
source§impl<'a> Encode for CompactRef<'a, u8>
impl<'a> Encode for CompactRef<'a, u8>
source§fn size_hint(&self) -> usize
fn size_hint(&self) -> usize
If possible give a hint of expected size of the encoding. Read more
source§fn encode_to<W: Output + ?Sized>(&self, dest: &mut W)
fn encode_to<W: Output + ?Sized>(&self, dest: &mut W)
Convert self to a slice and append it to the destination.
source§fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R
fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R
Convert self to a slice and then invoke the given closure with it.
source§fn encoded_size(&self) -> usize
fn encoded_size(&self) -> usize
Calculates the encoded size. Read more
source§impl<'a, T> From<&'a T> for CompactRef<'a, T>
impl<'a, T> From<&'a T> for CompactRef<'a, T>
source§impl<'a, T: PartialEq> PartialEq<CompactRef<'a, T>> for CompactRef<'a, T>
impl<'a, T: PartialEq> PartialEq<CompactRef<'a, T>> for CompactRef<'a, T>
source§fn eq(&self, other: &CompactRef<'a, T>) -> bool
fn eq(&self, other: &CompactRef<'a, T>) -> bool
This method tests for
self
and other
values to be equal, and is used
by ==
.impl<'a, T: Copy> Copy for CompactRef<'a, T>
impl<'a, T> EncodeLike<CompactRef<'a, T>> for CompactRef<'a, T>where T: CompactAs, for<'b> CompactRef<'b, T::As>: Encode,
impl<'a, T: Eq> Eq for CompactRef<'a, T>
impl<'a, T> StructuralEq for CompactRef<'a, T>
impl<'a, T> StructuralPartialEq for CompactRef<'a, T>
Auto Trait Implementations§
impl<'a, T> RefUnwindSafe for CompactRef<'a, T>where T: RefUnwindSafe,
impl<'a, T> Send for CompactRef<'a, T>where T: Sync,
impl<'a, T> Sync for CompactRef<'a, T>where T: Sync,
impl<'a, T> Unpin for CompactRef<'a, T>
impl<'a, T> UnwindSafe for CompactRef<'a, T>where T: RefUnwindSafe,
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<T> FmtForward for T
impl<T> FmtForward for T
source§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.source§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.source§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.source§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.source§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.source§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.source§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.source§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.source§impl<T> Pipe for Twhere
T: ?Sized,
impl<T> Pipe for Twhere T: ?Sized,
source§fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> Rwhere
Self: Sized,
fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> Rwhere Self: Sized,
Pipes by value. This is generally the method you want to use. Read more
source§fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> Rwhere
R: 'a,
fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> Rwhere R: 'a,
Borrows
self
and passes that borrow into the pipe function. Read moresource§fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> Rwhere
R: 'a,
fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> Rwhere R: 'a,
Mutably borrows
self
and passes that borrow into the pipe function. Read moresource§fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> Rwhere
Self: Borrow<B>,
B: 'a + ?Sized,
R: 'a,
fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> Rwhere Self: Borrow<B>, B: 'a + ?Sized, R: 'a,
source§fn pipe_borrow_mut<'a, B, R>(
&'a mut self,
func: impl FnOnce(&'a mut B) -> R
) -> Rwhere
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 ) -> Rwhere Self: BorrowMut<B>, B: 'a + ?Sized, R: 'a,
source§fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> Rwhere
Self: AsRef<U>,
U: 'a + ?Sized,
R: 'a,
fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> Rwhere Self: AsRef<U>, U: 'a + ?Sized, R: 'a,
Borrows
self
, then passes self.as_ref()
into the pipe function.source§fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> Rwhere
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) -> Rwhere Self: AsMut<U>, U: 'a + ?Sized, R: 'a,
Mutably borrows
self
, then passes self.as_mut()
into the pipe
function.source§impl<T> Tap for T
impl<T> Tap for T
source§fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Selfwhere
Self: Borrow<B>,
B: ?Sized,
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Self: BorrowMut<B>,
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Mutable access to the
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Immutable access to the
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view of a value. Read moresource§fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Selfwhere
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view of a value. Read moresource§fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Selfwhere
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Mutable access to the
Deref::Target
of a value. Read moresource§fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self
fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self
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Calls
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builds.source§fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Selfwhere
Self: AsRef<R>,
R: ?Sized,
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Calls
.tap_ref()
only in debug builds, and is erased in release
builds.source§fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Selfwhere
Self: AsMut<R>,
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Calls
.tap_ref_mut()
only in debug builds, and is erased in release
builds.