#[lang = "RangeToInclusive"]pub struct RangeToInclusive<Idx> { pub end: Idx, }
A range only bounded inclusively above (..=end
).
The RangeToInclusive
..=end
contains all values with x <= end
. It cannot serve as an Iterator
because it doesn't have a starting point.
The ..=end
syntax is a RangeToInclusive
:
assert_eq!((..=5), std::ops::RangeToInclusive{ end: 5 });
It does not have an IntoIterator
implementation, so you can't use it in a for
loop directly. This won't compile:
// error[E0277]: the trait bound `std::ops::RangeToInclusive<{integer}>: // std::iter::Iterator` is not satisfied for i in ..=5 { // ... }
When used as a slicing index, RangeToInclusive
produces a slice of all array elements up to and including the index indicated by end
.
let arr = [0, 1, 2, 3, 4]; assert_eq!(arr[ .. ], [0,1,2,3,4]); assert_eq!(arr[ .. 3], [0,1,2 ]); assert_eq!(arr[ ..=3], [0,1,2,3 ]); // RangeToInclusive assert_eq!(arr[1.. ], [ 1,2,3,4]); assert_eq!(arr[1.. 3], [ 1,2 ]); assert_eq!(arr[1..=3], [ 1,2,3 ]);
end: Idx
The upper bound of the range (inclusive)
impl<Idx> RangeToInclusive<Idx> where
Idx: PartialOrd<Idx>,
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pub fn contains<U>(&self, item: &U) -> bool where
Idx: PartialOrd<U>,
U: PartialOrd<Idx> + ?Sized,
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Returns true
if item
is contained in the range.
assert!( (..=5).contains(&-1_000_000_000)); assert!( (..=5).contains(&5)); assert!(!(..=5).contains(&6)); assert!( (..=1.0).contains(&1.0)); assert!(!(..=1.0).contains(&f32::NAN)); assert!(!(..=f32::NAN).contains(&0.5));
impl<Idx> Clone for RangeToInclusive<Idx> where
Idx: Clone,
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fn clone(&self) -> RangeToInclusive<Idx>
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fn clone_from(&mut self, source: &Self)
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impl<Idx> Copy for RangeToInclusive<Idx> where
Idx: Copy,
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impl<Idx> Debug for RangeToInclusive<Idx> where
Idx: Debug,
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impl<Idx> Eq for RangeToInclusive<Idx> where
Idx: Eq,
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impl<Idx> Hash for RangeToInclusive<Idx> where
Idx: Hash,
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fn hash<__H>(&self, state: &mut __H) where
__H: Hasher,
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fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
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impl Index<RangeToInclusive<usize>> for String
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type Output = str
The returned type after indexing.
fn index(&self, index: RangeToInclusive<usize>) -> &str
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impl IndexMut<RangeToInclusive<usize>> for String
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fn index_mut(&mut self, index: RangeToInclusive<usize>) -> &mut str
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impl<Idx> PartialEq<RangeToInclusive<Idx>> for RangeToInclusive<Idx> where
Idx: PartialEq<Idx>,
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fn eq(&self, other: &RangeToInclusive<Idx>) -> bool
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fn ne(&self, other: &RangeToInclusive<Idx>) -> bool
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impl<T> RangeBounds<T> for RangeToInclusive<T>
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fn start_bound(&self) -> Bound<&T>
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fn end_bound(&self) -> Bound<&T>
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fn contains<U>(&self, item: &U) -> bool where
T: PartialOrd<U>,
U: PartialOrd<T> + ?Sized,
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impl<'_, T> RangeBounds<T> for RangeToInclusive<&'_ T>
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fn start_bound(&self) -> Bound<&T>
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fn end_bound(&self) -> Bound<&T>
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fn contains<U>(&self, item: &U) -> bool where
T: PartialOrd<U>,
U: PartialOrd<T> + ?Sized,
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impl<T> SliceIndex<[T]> for RangeToInclusive<usize>
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type Output = [T]
The output type returned by methods.
fn get(self, slice: &[T]) -> Option<&[T]>
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fn get_mut(self, slice: &mut [T]) -> Option<&mut [T]>
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unsafe fn get_unchecked(self, slice: *const [T]) -> *const [T]
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unsafe fn get_unchecked_mut(self, slice: *mut [T]) -> *mut [T]
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fn index(self, slice: &[T]) -> &[T]ⓘNotable traits for &'_ [u8]
impl<'_> Read for &'_ [u8]
impl<'_> Write for &'_ mut [u8]
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fn index_mut(self, slice: &mut [T]) -> &mut [T]ⓘNotable traits for &'_ [u8]
impl<'_> Read for &'_ [u8]
impl<'_> Write for &'_ mut [u8]
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impl SliceIndex<str> for RangeToInclusive<usize>
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Implements substring slicing with syntax &self[..= end]
or &mut self[..= end]
.
Returns a slice of the given string from the byte range [0, end
]. Equivalent to &self [0 .. end + 1]
, except if end
has the maximum value for usize
.
This operation is O(1)
.
Panics if end
does not point to the ending byte offset of a character (end + 1
is either a starting byte offset as defined by is_char_boundary
, or equal to len
), or if end >= len
.
type Output = str
The output type returned by methods.
fn get(
self,
slice: &str
) -> Option<&<RangeToInclusive<usize> as SliceIndex<str>>::Output>
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fn get_mut(
self,
slice: &mut str
) -> Option<&mut <RangeToInclusive<usize> as SliceIndex<str>>::Output>
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unsafe fn get_unchecked(
self,
slice: *const str
) -> *const <RangeToInclusive<usize> as SliceIndex<str>>::Output
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unsafe fn get_unchecked_mut(
self,
slice: *mut str
) -> *mut <RangeToInclusive<usize> as SliceIndex<str>>::Output
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fn index(
self,
slice: &str
) -> &<RangeToInclusive<usize> as SliceIndex<str>>::Output
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fn index_mut(
self,
slice: &mut str
) -> &mut <RangeToInclusive<usize> as SliceIndex<str>>::Output
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impl<Idx> StructuralEq for RangeToInclusive<Idx>
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impl<Idx> StructuralPartialEq for RangeToInclusive<Idx>
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impl<Idx> RefUnwindSafe for RangeToInclusive<Idx> where
Idx: RefUnwindSafe,
impl<Idx> Send for RangeToInclusive<Idx> where
Idx: Send,
impl<Idx> Sync for RangeToInclusive<Idx> where
Idx: Sync,
impl<Idx> Unpin for RangeToInclusive<Idx> where
Idx: Unpin,
impl<Idx> UnwindSafe for RangeToInclusive<Idx> where
Idx: UnwindSafe,
impl<T> Any for T where
T: 'static + ?Sized,
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impl<T> Borrow<T> for T where
T: ?Sized,
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fn borrow(&self) -> &TⓘNotable traits for &'_ mut F
impl<'_, F> Future for &'_ mut F where
F: Unpin + Future + ?Sized,
type Output = <F as Future>::Output;
impl<'_, I> Iterator for &'_ mut I where
I: Iterator + ?Sized,
type Item = <I as Iterator>::Item;
impl<R: Read + ?Sized, '_> Read for &'_ mut R
impl<W: Write + ?Sized, '_> Write for &'_ mut W
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impl<T> BorrowMut<T> for T where
T: ?Sized,
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fn borrow_mut(&mut self) -> &mut TⓘNotable traits for &'_ mut F
impl<'_, F> Future for &'_ mut F where
F: Unpin + Future + ?Sized,
type Output = <F as Future>::Output;
impl<'_, I> Iterator for &'_ mut I where
I: Iterator + ?Sized,
type Item = <I as Iterator>::Item;
impl<R: Read + ?Sized, '_> Read for &'_ mut R
impl<W: Write + ?Sized, '_> Write for &'_ mut W
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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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impl<T> ToOwned for T where
T: Clone,
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type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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type Error = Infallible
The type returned in the event of a conversion error.
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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© 2010 The Rust Project Developers
Licensed under the Apache License, Version 2.0 or the MIT license, at your option.
https://doc.rust-lang.org/std/ops/struct.RangeToInclusive.html