Trait core::slice::SliceIndex

pub trait SliceIndex<T: ?Sized>: Sealed {
    type Output: ?Sized;
    fn get(self, slice: &T) -> Option<&Self::Output>;
    fn get_mut(self, slice: &mut T) -> Option<&mut Self::Output>;
    unsafe fn get_unchecked(self, slice: &T) -> &Self::Output;
    unsafe fn get_unchecked_mut(self, slice: &mut T) -> &mut Self::Output;
    fn index(self, slice: &T) -> &Self::Output;
    fn index_mut(self, slice: &mut T) -> &mut Self::Output;
}

A helper trait used for indexing operations.

Associated Types

type Output: ?Sized

The output type returned by methods.

Required Methods

fn get(self, slice: &T) -> Option<&Self::Output>

🔬 This is a nightly-only experimental API. (slice_index_methods)

Returns a shared reference to the output at this location, if in bounds.

fn get_mut(self, slice: &mut T) -> Option<&mut Self::Output>

🔬 This is a nightly-only experimental API. (slice_index_methods)

Returns a mutable reference to the output at this location, if in bounds.

unsafe fn get_unchecked(self, slice: &T) -> &Self::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.

unsafe fn get_unchecked_mut(self, slice: &mut T) -> &mut Self::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.

fn index(self, slice: &T) -> &Self::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.

fn index_mut(self, slice: &mut T) -> &mut Self::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.

Implementors

• impl<T> SliceIndex<[T]> for usize type Output = T;

• impl<T> SliceIndex<[T]> for Range<usize> type Output = [T];

• impl<T> SliceIndex<[T]> for RangeTo<usize> type Output = [T];

• impl<T> SliceIndex<[T]> for RangeFrom<usize> type Output = [T];

• impl<T> SliceIndex<[T]> for RangeFull type Output = [T];

• impl<T> SliceIndex<[T]> for RangeInclusive<usize> type Output = [T];

• impl<T> SliceIndex<[T]> for RangeToInclusive<usize> type Output = [T];

• impl SliceIndex<str> for RangeFull type Output = str;

• impl SliceIndex<str> for Range<usize> type Output = str;

• impl SliceIndex<str> for RangeTo<usize> type Output = str;

• impl SliceIndex<str> for RangeFrom<usize> type Output = str;

• impl SliceIndex<str> for RangeInclusive<usize> type Output = str;

• impl SliceIndex<str> for RangeToInclusive<usize> type Output = str;