Struct gstd::prelude::ops::RangeFull

1.0.0 · source · 
pub struct RangeFull;
Expand description

An unbounded range (..).

RangeFull is primarily used as a slicing index, its shorthand is ... It cannot serve as an Iterator because it doesn’t have a starting point.

§Examples

The .. syntax is a RangeFull:

assert_eq!(.., std::ops::RangeFull);

It does not have an IntoIterator implementation, so you can’t use it in a for loop directly. This won’t compile:

ⓘ
for i in .. {
    // ...
}

Used as a slicing index, RangeFull produces the full array as a slice.

let arr = [0, 1, 2, 3, 4];
assert_eq!(arr[ ..  ], [0, 1, 2, 3, 4]); // This is the `RangeFull`
assert_eq!(arr[ .. 3], [0, 1, 2      ]);
assert_eq!(arr[ ..=3], [0, 1, 2, 3   ]);
assert_eq!(arr[1..  ], [   1, 2, 3, 4]);
assert_eq!(arr[1.. 3], [   1, 2      ]);
assert_eq!(arr[1..=3], [   1, 2, 3   ]);

Trait Implementations§

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impl<'a, T, O> BitSliceIndex<'a, T, O> for RangeFull
where T: BitStore, O: BitOrder,

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type Immut = &'a BitSlice<T, O>

The output type of immutable access.
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type Mut = &'a mut BitSlice<T, O>

The output type of mutable access.
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fn get( self, bits: <RangeFull as BitSliceIndex<'a, T, O>>::Immut ) -> Option<<RangeFull as BitSliceIndex<'a, T, O>>::Immut>

Immutably indexes into a bit-slice, returning None if self is out of bounds. Read more
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fn get_mut( self, bits: <RangeFull as BitSliceIndex<'a, T, O>>::Mut ) -> Option<<RangeFull as BitSliceIndex<'a, T, O>>::Mut>

Mutably indexes into a bit-slice, returning None if self is out of bounds. Read more
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unsafe fn get_unchecked( self, bits: <RangeFull as BitSliceIndex<'a, T, O>>::Immut ) -> <RangeFull as BitSliceIndex<'a, T, O>>::Immut

Immutably indexes into a bit-slice without doing any bounds checking. Read more
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unsafe fn get_unchecked_mut( self, bits: <RangeFull as BitSliceIndex<'a, T, O>>::Mut ) -> <RangeFull as BitSliceIndex<'a, T, O>>::Mut

Mutably indexes into a bit-slice without doing any bounds checking. Read more
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fn index( self, bits: <RangeFull as BitSliceIndex<'a, T, O>>::Immut ) -> <RangeFull as BitSliceIndex<'a, T, O>>::Immut

Immutably indexes into a bit-slice, panicking if self is out of bounds. Read more
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fn index_mut( self, bits: <RangeFull as BitSliceIndex<'a, T, O>>::Mut ) -> <RangeFull as BitSliceIndex<'a, T, O>>::Mut

Mutably indexes into a bit-slice, panicking if self is out of bounds. Read more
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impl Clone for RangeFull

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fn clone(&self) -> RangeFull

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for RangeFull

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

Formats the value using the given formatter. Read more
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impl Default for RangeFull

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fn default() -> RangeFull

Returns the “default value” for a type. Read more
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impl Hash for RangeFull

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fn hash<__H>(&self, state: &mut __H)
where __H: Hasher,

Feeds this value into the given Hasher. Read more
1.3.0 · source§

fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl<T, O> Index<RangeFull> for BitSlice<T, O>
where O: BitOrder, T: BitStore,

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type Output = BitSlice<T, O>

The returned type after indexing.
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fn index( &self, index: RangeFull ) -> &<BitSlice<T, O> as Index<RangeFull>>::Output ⓘ

Performs the indexing (container[index]) operation. Read more
1.7.0 · source§

impl Index<RangeFull> for CString

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type Output = CStr

The returned type after indexing.
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fn index(&self, _index: RangeFull) -> &CStr

Performs the indexing (container[index]) operation. Read more
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impl Index<RangeFull> for OsString

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type Output = OsStr

The returned type after indexing.
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fn index(&self, _index: RangeFull) -> &OsStr

Performs the indexing (container[index]) operation. Read more
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impl Index<RangeFull> for String

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type Output = str

The returned type after indexing.
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fn index(&self, _index: RangeFull) -> &str

Performs the indexing (container[index]) operation. Read more
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impl Index<RangeFull> for UninitSlice

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type Output = UninitSlice

The returned type after indexing.
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fn index(&self, index: RangeFull) -> &UninitSlice

Performs the indexing (container[index]) operation. Read more
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impl<T, O> IndexMut<RangeFull> for BitSlice<T, O>
where O: BitOrder, T: BitStore,

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fn index_mut( &mut self, index: RangeFull ) -> &mut <BitSlice<T, O> as Index<RangeFull>>::Output ⓘ

Performs the mutable indexing (container[index]) operation. Read more
1.44.0 · source§

impl IndexMut<RangeFull> for OsString

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fn index_mut(&mut self, _index: RangeFull) -> &mut OsStr

Performs the mutable indexing (container[index]) operation. Read more
1.3.0 · source§

impl IndexMut<RangeFull> for String

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fn index_mut(&mut self, _index: RangeFull) -> &mut str

Performs the mutable indexing (container[index]) operation. Read more
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impl IndexMut<RangeFull> for UninitSlice

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fn index_mut(&mut self, index: RangeFull) -> &mut UninitSlice

Performs the mutable indexing (container[index]) operation. Read more
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impl PartialEq for RangeFull

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fn eq(&self, other: &RangeFull) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
1.28.0 · source§

impl<T> RangeBounds<T> for RangeFull
where T: ?Sized,

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fn start_bound(&self) -> Bound<&T>

Start index bound. Read more
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fn end_bound(&self) -> Bound<&T>

End index bound. Read more
1.35.0 · source§

fn contains<U>(&self, item: &U) -> bool
where T: PartialOrd<U>, U: PartialOrd<T> + ?Sized,

Returns true if item is contained in the range. Read more
1.15.0 (const: unstable) · source§

impl<T> SliceIndex<[T]> for RangeFull

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type Output = [T]

The output type returned by methods.
const: unstable · source§

fn get(self, slice: &[T]) -> Option<&[T]>

🔬This is a nightly-only experimental API. (slice_index_methods)
Returns a shared reference to the output at this location, if in bounds.
const: unstable · source§

fn get_mut(self, slice: &mut [T]) -> Option<&mut [T]>

🔬This is a nightly-only experimental API. (slice_index_methods)
Returns a mutable reference to the output at this location, if in bounds.
const: unstable · source§

unsafe fn get_unchecked(self, slice: *const [T]) -> *const [T]

🔬This is a nightly-only experimental API. (slice_index_methods)
Returns a shared reference to the output at this location, without performing any bounds checking. Calling this method with an out-of-bounds index or a dangling slice pointer is undefined behavior even if the resulting reference is not used.
const: unstable · source§

unsafe fn get_unchecked_mut(self, slice: *mut [T]) -> *mut [T]

🔬This is a nightly-only experimental API. (slice_index_methods)
Returns a mutable reference to the output at this location, without performing any bounds checking. Calling this method with an out-of-bounds index or a dangling slice pointer is undefined behavior even if the resulting reference is not used.
const: unstable · source§

fn index(self, slice: &[T]) -> &[T]

🔬This is a nightly-only experimental API. (slice_index_methods)
Returns a shared reference to the output at this location, panicking if out of bounds.
const: unstable · source§

fn index_mut(self, slice: &mut [T]) -> &mut [T]

🔬This is a nightly-only experimental API. (slice_index_methods)
Returns a mutable reference to the output at this location, panicking if out of bounds.
1.20.0 (const: unstable) · source§

impl SliceIndex<str> for RangeFull

Implements substring slicing with syntax &self[..] or &mut self[..].

Returns a slice of the whole string, i.e., returns &self or &mut self. Equivalent to &self[0 .. len] or &mut self[0 .. len]. Unlike other indexing operations, this can never panic.

This operation is O(1).

Prior to 1.20.0, these indexing operations were still supported by direct implementation of Index and IndexMut.

Equivalent to &self[0 .. len] or &mut self[0 .. len].

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type Output = str

The output type returned by methods.
const: unstable · source§

fn get(self, slice: &str) -> Option<&<RangeFull as SliceIndex<str>>::Output>

🔬This is a nightly-only experimental API. (slice_index_methods)
Returns a shared reference to the output at this location, if in bounds.
const: unstable · source§

fn get_mut( self, slice: &mut str ) -> Option<&mut <RangeFull as SliceIndex<str>>::Output>

🔬This is a nightly-only experimental API. (slice_index_methods)
Returns a mutable reference to the output at this location, if in bounds.
const: unstable · source§

unsafe fn get_unchecked( self, slice: *const str ) -> *const <RangeFull as SliceIndex<str>>::Output

🔬This is a nightly-only experimental API. (slice_index_methods)
Returns a shared reference to the output at this location, without performing any bounds checking. Calling this method with an out-of-bounds index or a dangling slice pointer is undefined behavior even if the resulting reference is not used.
const: unstable · source§

unsafe fn get_unchecked_mut( self, slice: *mut str ) -> *mut <RangeFull as SliceIndex<str>>::Output

🔬This is a nightly-only experimental API. (slice_index_methods)
Returns a mutable reference to the output at this location, without performing any bounds checking. Calling this method with an out-of-bounds index or a dangling slice pointer is undefined behavior even if the resulting reference is not used.
const: unstable · source§

fn index(self, slice: &str) -> &<RangeFull as SliceIndex<str>>::Output

🔬This is a nightly-only experimental API. (slice_index_methods)
Returns a shared reference to the output at this location, panicking if out of bounds.
const: unstable · source§

fn index_mut( self, slice: &mut str ) -> &mut <RangeFull as SliceIndex<str>>::Output

🔬This is a nightly-only experimental API. (slice_index_methods)
Returns a mutable reference to the output at this location, panicking if out of bounds.
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impl Copy for RangeFull

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impl Eq for RangeFull

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impl StructuralEq for RangeFull

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impl StructuralPartialEq for RangeFull

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impl<R> RangeExt<usize> for R
where R: RangeBounds<usize>,

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fn normalize( self, start: impl Into<Option<usize>>, end: impl Into<Option<usize>> ) -> Range<usize> ⓘ

Normalizes a range-like type to a canonical half-open Range. Read more
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fn intersection<R2>(self, other: R2) -> Option<Range<usize>>
where R2: RangeExt<usize>,

Finds the intersection between two range-likes. The produced Range spans only the elements common to both. Read more
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where R2: RangeExt<usize>,

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