[−][src]Struct generic_vec::iter::RawCursor
This struct is created by GenericVec::raw_cursor
. See its documentation for more.
Implementations
impl<'a, T, S: ?Sized + Storage<T>> RawCursor<'a, T, S>
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pub fn finish(&mut self)
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Skip all the remaining elements, and ensure that the GenericVec
is
valid
pub fn len(&self) -> usize
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The number of remaining elements in range of this RawCursor
The RawCursor
is empty when there are 0 remaining elements
pub fn is_empty(&self) -> bool
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Returns true
if the RawCursor
is empty
pub fn is_write_empty(&self) -> bool
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Returns true
if the RawCursor
is has no unfilled slots
and the RawCursor
is empty
pub fn is_write_front_empty(&self) -> bool
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Returns true if there is an unfilled slot at the front
of the RawCursor
pub fn is_write_back_empty(&self) -> bool
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Returns true if there is an unfilled slot at the back
of the RawCursor
pub fn write_len(&self) -> usize
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Returns the number of unfilled slots if the RawCursor
is empty
if the RawCursor
is not empty, the behavior is unspecified
pub fn write_front_len(&self) -> usize
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Returns the number of unfilled slots at the front
of the RawCursor
pub fn write_back_len(&self) -> usize
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Returns the number of unfilled slots at the back
of the RawCursor
pub unsafe fn front(&self) -> &T
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Returns a reference to the next element of the RawCursor
.
Note: this does not advance the RawCursor
or
change the number of unfilled slots
Safety
The RawCursor
must not be empty
pub unsafe fn front_mut(&mut self) -> &mut T
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Returns a mutable reference to the next element of the RawCursor
.
Note: this does not advance the RawCursor
or
change the number of unfilled slots
Safety
The RawCursor
must not be empty
pub unsafe fn back(&self) -> &T
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Returns a reference to the last element of the RawCursor
.
Note: this does not advance the RawCursor
or
change the number of unfilled slots
Safety
The RawCursor
must not be empty
pub unsafe fn back_mut(&mut self) -> &mut T
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Returns a mutable reference to the last element of the RawCursor
.
Note: this does not advance the RawCursor
or
change the number of unfilled slots
Safety
The RawCursor
must not be empty
pub unsafe fn take_front(&mut self) -> T
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Removes the next element of the RawCursor
and removes it from the underlying GenericVec
Advances the RawCursor
by 1 element
Creates 1 unfilled slot at the front of the RawCursor
.
Safety
The RawCursor
must not be empty
pub unsafe fn take_back(&mut self) -> T
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Removes the last element of the Cursor and removes it from the underlying [
GenericVec`]
Advances the RawCursor
by 1 element
Creates 1 unfilled slot at the back of the RawCursor
.
Safety
The RawCursor
must not be empty
pub unsafe fn drop_front(&mut self)
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Drops the next element of the RawCursor
and removes them it the underlying GenericVec
Advances the RawCursor
by 1 element
Creates 1 unfilled slot at the front of the RawCursor
.
Safety
The RawCursor
must not be empty
pub unsafe fn drop_back(&mut self)
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Drops the last element of the RawCursor
and removes them it the underlying GenericVec
Advances the RawCursor
by 1 element
Creates 1 unfilled slot at the back of the RawCursor
.
Safety
The RawCursor
must not be empty
pub unsafe fn drop_n_front(&mut self, n: usize)
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Drops the next n
elements of the RawCursor
and removes them from the underlying GenericVec
Advances the RawCursor
by n
elements
Creates n
unfilled slots at the front of the RawCursor
.
Safety
The RawCursor
's length must be at least equal to n
pub unsafe fn drop_n_back(&mut self, n: usize)
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Drops the last n
elements of the RawCursor
and removes them from the underlying GenericVec
Advances the RawCursor
by n
elements
Creates n
unfilled slots at the back of the RawCursor
.
Safety
The RawCursor
's length must be at least equal to n
pub unsafe fn write_front(&mut self, value: T)
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Writes value
into the unfilled slot at the front of the
RawCursor
if there is an unfilled slot at the front of the RawCursor
Fills in 1 unfilled slot at the front of the RawCursor
Safety
There must be at least 1 unfilled slot at the front of the RawCursor
pub unsafe fn write_back(&mut self, value: T)
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Writes value
into the unfilled slot at the back of the
RawCursor
if there is an unfilled slot at the back of the RawCursor
Fills in 1 unfilled slot at the back of the RawCursor
Safety
There must be at least 1 unfilled slot at the back of the RawCursor
pub unsafe fn write_slice_front(&mut self, slice: &[T])
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Moves slice
into the unfilled slots at the front of the
RawCursor
if there are slice.len()
unfilled slots at the
front of the RawCursor
Fills in slice.len()
unfilled slots at the front of the RawCursor
Safety
- There must be at least
slice.len()
unfilled slots at the front of theRawCursor
- You must not drop any of the values in
slice
pub unsafe fn write_slice_back(&mut self, slice: &[T])
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Moves slice
into the unfilled slots at the back of the
RawCursor
if there are slice.len()
unfilled slots at the
back of the RawCursor
Fills in slice.len()
unfilled slots at the back of the RawCursor
Safety
- There must be at least
slice.len()
unfilled slots at the back of theRawCursor
- You must not drop any of the values in
slice
pub unsafe fn skip_front(&mut self)
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Skips the next element of the RawCursor
and keeps it in the underlying GenericVec
Advances the RawCursor
by 1 element
Does not change the number of unfilled slots.
Safety
The RawCursor
must not be empty
pub unsafe fn skip_back(&mut self)
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Skips the last element of the RawCursor
and keeps it in the underlying GenericVec
Advances the RawCursor
by 1 element
Does not change the number of unfilled slots.
Safety
The RawCursor
must not be empty
pub unsafe fn skip_n_front(&mut self, n: usize)
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Skips the next n
elements of the RawCursor
and keeps them in the underlying GenericVec
Advances the RawCursor
by n
elements
Does not change the number of unfilled slots.
Safety
The RawCursor
's length must be at least equal to n
pub unsafe fn skip_n_back(&mut self, n: usize)
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Skips the last n
elements of the RawCursor
and keeps them in the underlying GenericVec
Advances the RawCursor
by n
elements
Does not change the number of unfilled slots.
Safety
The RawCursor
's length must be at least equal to n
pub fn reserve(&mut self, space: usize)
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Reserve at least space unfilled slots in the RawCursor
Panic
- Panics if the
RawCursor
is not empty - May panic if the underlying
GenericVec
cannot reserve more space
Trait Implementations
impl<T, S: ?Sized + Storage<T>, '_> Drop for RawCursor<'_, T, S>
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impl<T: Send, S: ?Sized + Storage<T> + Send, '_> Send for RawCursor<'_, T, S>
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impl<T: Sync, S: ?Sized + Storage<T> + Sync, '_> Sync for RawCursor<'_, T, S>
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Auto Trait Implementations
impl<'a, T, S: ?Sized> RefUnwindSafe for RawCursor<'a, T, S> where
S: RefUnwindSafe,
T: RefUnwindSafe,
S: RefUnwindSafe,
T: RefUnwindSafe,
impl<'a, T, S: ?Sized> Unpin for RawCursor<'a, T, S>
impl<'a, T, S> !UnwindSafe for RawCursor<'a, T, S>
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,