Struct nom::lib::std::ops::RangeTo 1.0.0[−][src]
pub struct RangeTo<Idx> { pub end: Idx, }
A range only bounded exclusively above (..end
).
The RangeTo
..end
contains all values with x < end
.
It cannot serve as an Iterator
because it doesn't have a starting point.
Examples
The ..end
syntax is a RangeTo
:
assert_eq!((..5), std::ops::RangeTo { 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::RangeTo<{integer}>: // std::iter::Iterator` is not satisfied for i in ..5 { // ... }
When used as a slicing index, RangeTo
produces a slice of all array
elements before the index indicated by end
.
let arr = [0, 1, 2, 3]; assert_eq!(arr[ .. ], [0,1,2,3]); assert_eq!(arr[ ..3], [0,1,2 ]); // RangeTo assert_eq!(arr[1.. ], [ 1,2,3]); assert_eq!(arr[1..3], [ 1,2 ]);
Fields
end: Idx
The upper bound of the range (exclusive).
Methods
impl<Idx> RangeTo<Idx> where
Idx: PartialOrd<Idx>,
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impl<Idx> RangeTo<Idx> where
Idx: PartialOrd<Idx>,
pub fn contains<U>(&self, item: &U) -> bool where
Idx: PartialOrd<U>,
U: PartialOrd<Idx> + ?Sized,
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pub fn contains<U>(&self, item: &U) -> bool where
Idx: PartialOrd<U>,
U: PartialOrd<Idx> + ?Sized,
🔬 This is a nightly-only experimental API. (range_contains
)
recently added as per RFC
Returns true
if item
is contained in the range.
Examples
#![feature(range_contains)] use std::f32; assert!( (..5).contains(&-1_000_000_000)); assert!( (..5).contains(&4)); assert!(!(..5).contains(&5)); assert!( (..1.0).contains(&0.5)); assert!(!(..1.0).contains(&f32::NAN)); assert!(!(..f32::NAN).contains(&0.5));
Trait Implementations
impl<T> RangeBounds<T> for RangeTo<T>
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impl<T> RangeBounds<T> for RangeTo<T>
fn start(&self) -> Bound<&T>
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fn start(&self) -> Bound<&T>
🔬 This is a nightly-only experimental API. (collections_range
)
might be replaced with Into<_>
and a type containing two Bound
values
Start index bound. Read more
fn end(&self) -> Bound<&T>
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fn end(&self) -> Bound<&T>
🔬 This is a nightly-only experimental API. (collections_range
)
might be replaced with Into<_>
and a type containing two Bound
values
End index bound. Read more
fn contains<U>(&self, item: &U) -> bool where
T: PartialOrd<U>,
U: PartialOrd<T> + ?Sized,
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fn contains<U>(&self, item: &U) -> bool where
T: PartialOrd<U>,
U: PartialOrd<T> + ?Sized,
🔬 This is a nightly-only experimental API. (range_contains
)
recently added as per RFC
Returns true
if item
is contained in the range. Read more
impl<'a, T> RangeBounds<T> for RangeTo<&'a T>
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impl<'a, T> RangeBounds<T> for RangeTo<&'a T>
fn start(&self) -> Bound<&T>
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fn start(&self) -> Bound<&T>
🔬 This is a nightly-only experimental API. (collections_range
)
might be replaced with Into<_>
and a type containing two Bound
values
Start index bound. Read more
fn end(&self) -> Bound<&T>
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fn end(&self) -> Bound<&T>
🔬 This is a nightly-only experimental API. (collections_range
)
might be replaced with Into<_>
and a type containing two Bound
values
End index bound. Read more
fn contains<U>(&self, item: &U) -> bool where
T: PartialOrd<U>,
U: PartialOrd<T> + ?Sized,
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fn contains<U>(&self, item: &U) -> bool where
T: PartialOrd<U>,
U: PartialOrd<T> + ?Sized,
🔬 This is a nightly-only experimental API. (range_contains
)
recently added as per RFC
Returns true
if item
is contained in the range. Read more
impl IndexMut<RangeTo<usize>> for str
1.3.0[src]
impl IndexMut<RangeTo<usize>> for str
Implements mutable substring slicing with syntax &mut self[.. end]
.
Returns a mutable slice of the string from the beginning to byte offset
end
.
Equivalent to &mut self[0 .. end]
.
fn index_mut(&mut self, index: RangeTo<usize>) -> &mut str
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fn index_mut(&mut self, index: RangeTo<usize>) -> &mut str
Performs the mutable indexing (container[index]
) operation.
impl Index<RangeTo<usize>> for str
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impl Index<RangeTo<usize>> for str
Implements substring slicing with syntax &self[.. end]
.
Returns a slice of the string from the beginning to byte offset
end
.
Equivalent to &self[0 .. end]
.
type Output = str
The returned type after indexing.
fn index(&self, index: RangeTo<usize>) -> &str
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fn index(&self, index: RangeTo<usize>) -> &str
Performs the indexing (container[index]
) operation.
impl<Idx> Clone for RangeTo<Idx> where
Idx: Clone,
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impl<Idx> Clone for RangeTo<Idx> where
Idx: Clone,
fn clone(&self) -> RangeTo<Idx>
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fn clone(&self) -> RangeTo<Idx>
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
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fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
impl<Idx> Hash for RangeTo<Idx> where
Idx: Hash,
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impl<Idx> Hash for RangeTo<Idx> where
Idx: Hash,
fn hash<__HIdx>(&self, state: &mut __HIdx) where
__HIdx: Hasher,
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fn hash<__HIdx>(&self, state: &mut __HIdx) where
__HIdx: Hasher,
Feeds this value into the given [Hasher
]. Read more
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
1.3.0[src]
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
Feeds a slice of this type into the given [Hasher
]. Read more
impl<Idx> Copy for RangeTo<Idx> where
Idx: Copy,
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impl<Idx> Copy for RangeTo<Idx> where
Idx: Copy,
impl<Idx> Eq for RangeTo<Idx> where
Idx: Eq,
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impl<Idx> Eq for RangeTo<Idx> where
Idx: Eq,
impl<Idx> PartialEq<RangeTo<Idx>> for RangeTo<Idx> where
Idx: PartialEq<Idx>,
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impl<Idx> PartialEq<RangeTo<Idx>> for RangeTo<Idx> where
Idx: PartialEq<Idx>,
fn eq(&self, other: &RangeTo<Idx>) -> bool
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fn eq(&self, other: &RangeTo<Idx>) -> bool
This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, other: &RangeTo<Idx>) -> bool
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fn ne(&self, other: &RangeTo<Idx>) -> bool
This method tests for !=
.
impl<T> SliceIndex<[T]> for RangeTo<usize>
1.15.0[src]
impl<T> SliceIndex<[T]> for RangeTo<usize>
type Output = [T]
slice_get_slice
)The output type returned by methods.
fn get(self, slice: &[T]) -> Option<&[T]>
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fn get(self, slice: &[T]) -> Option<&[T]>
slice_get_slice
)Returns a shared reference to the output at this location, if in bounds. Read more
fn get_mut(self, slice: &mut [T]) -> Option<&mut [T]>
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fn get_mut(self, slice: &mut [T]) -> Option<&mut [T]>
slice_get_slice
)Returns a mutable reference to the output at this location, if in bounds. Read more
unsafe fn get_unchecked(self, slice: &[T]) -> &[T]
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unsafe fn get_unchecked(self, slice: &[T]) -> &[T]
slice_get_slice
)Returns a shared reference to the output at this location, without performing any bounds checking. Read more
unsafe fn get_unchecked_mut(self, slice: &mut [T]) -> &mut [T]
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unsafe fn get_unchecked_mut(self, slice: &mut [T]) -> &mut [T]
slice_get_slice
)Returns a mutable reference to the output at this location, without performing any bounds checking. Read more
fn index(self, slice: &[T]) -> &[T]
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fn index(self, slice: &[T]) -> &[T]
slice_get_slice
)Returns a shared reference to the output at this location, panicking if out of bounds. Read more
fn index_mut(self, slice: &mut [T]) -> &mut [T]
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fn index_mut(self, slice: &mut [T]) -> &mut [T]
slice_get_slice
)Returns a mutable reference to the output at this location, panicking if out of bounds. Read more
impl SliceIndex<str> for RangeTo<usize>
1.20.0[src]
impl SliceIndex<str> for RangeTo<usize>
type Output = str
slice_get_slice
)The output type returned by methods.
fn get(
self,
slice: &str
) -> Option<&<RangeTo<usize> as SliceIndex<str>>::Output>
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fn get(
self,
slice: &str
) -> Option<&<RangeTo<usize> as SliceIndex<str>>::Output>
slice_get_slice
)Returns a shared reference to the output at this location, if in bounds. Read more
fn get_mut(
self,
slice: &mut str
) -> Option<&mut <RangeTo<usize> as SliceIndex<str>>::Output>
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fn get_mut(
self,
slice: &mut str
) -> Option<&mut <RangeTo<usize> as SliceIndex<str>>::Output>
slice_get_slice
)Returns a mutable reference to the output at this location, if in bounds. Read more
unsafe fn get_unchecked(
self,
slice: &str
) -> &<RangeTo<usize> as SliceIndex<str>>::Output
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unsafe fn get_unchecked(
self,
slice: &str
) -> &<RangeTo<usize> as SliceIndex<str>>::Output
slice_get_slice
)Returns a shared reference to the output at this location, without performing any bounds checking. Read more
unsafe fn get_unchecked_mut(
self,
slice: &mut str
) -> &mut <RangeTo<usize> as SliceIndex<str>>::Output
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unsafe fn get_unchecked_mut(
self,
slice: &mut str
) -> &mut <RangeTo<usize> as SliceIndex<str>>::Output
slice_get_slice
)Returns a mutable reference to the output at this location, without performing any bounds checking. Read more
fn index(self, slice: &str) -> &<RangeTo<usize> as SliceIndex<str>>::Output
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fn index(self, slice: &str) -> &<RangeTo<usize> as SliceIndex<str>>::Output
slice_get_slice
)Returns a shared reference to the output at this location, panicking if out of bounds. Read more
fn index_mut(
self,
slice: &mut str
) -> &mut <RangeTo<usize> as SliceIndex<str>>::Output
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fn index_mut(
self,
slice: &mut str
) -> &mut <RangeTo<usize> as SliceIndex<str>>::Output
slice_get_slice
)Returns a mutable reference to the output at this location, panicking if out of bounds. Read more
impl<Idx> Debug for RangeTo<Idx> where
Idx: Debug,
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impl<Idx> Debug for RangeTo<Idx> where
Idx: Debug,
fn fmt(&self, fmt: &mut Formatter) -> Result<(), Error>
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fn fmt(&self, fmt: &mut Formatter) -> Result<(), Error>
Formats the value using the given formatter. Read more
impl Index<RangeTo<usize>> for String
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impl Index<RangeTo<usize>> for String
type Output = str
The returned type after indexing.
fn index(&self, index: RangeTo<usize>) -> &str
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fn index(&self, index: RangeTo<usize>) -> &str
Performs the indexing (container[index]
) operation.
impl IndexMut<RangeTo<usize>> for String
1.3.0[src]
impl IndexMut<RangeTo<usize>> for String
fn index_mut(&mut self, index: RangeTo<usize>) -> &mut str
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fn index_mut(&mut self, index: RangeTo<usize>) -> &mut str
Performs the mutable indexing (container[index]
) operation.
impl<'a> Slice<RangeTo<usize>> for &'a str
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impl<'a> Slice<RangeTo<usize>> for &'a str
impl<'a, T> Slice<RangeTo<usize>> for &'a [T]
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impl<'a, T> Slice<RangeTo<usize>> for &'a [T]
impl<'a> Slice<RangeTo<usize>> for CompleteStr<'a>
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impl<'a> Slice<RangeTo<usize>> for CompleteStr<'a>
impl<'a> Slice<RangeTo<usize>> for CompleteByteSlice<'a>
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impl<'a> Slice<RangeTo<usize>> for CompleteByteSlice<'a>
impl<T: Slice<RangeTo<usize>>> Slice<RangeTo<usize>> for Input<T>
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impl<T: Slice<RangeTo<usize>>> Slice<RangeTo<usize>> for Input<T>