indexing

Enum IndexError

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pub enum IndexError {
    OutOfBounds,
    Invalid,
}
Expand description

The error returned when failing to construct an arbitrary index.

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OutOfBounds

The provided raw index was out of bounds of the container.

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Invalid

The provided raw index was in bounds but not on an item border.

Trait Implementations§

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impl Clone for IndexError

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fn clone(&self) -> IndexError

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 IndexError

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

Formats the value using the given formatter. Read more
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impl Hash for IndexError

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

Feeds this value into the given Hasher. Read more
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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 PartialEq for IndexError

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

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Copy for IndexError

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impl Eq for IndexError

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impl StructuralPartialEq for IndexError

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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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.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, Array> TrustedItem<&Array> for T
where Array: TrustedContainer<Item = T> + ?Sized, T: TrustedItem<Array> + ?Sized,

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type Unit = <T as TrustedItem<Array>>::Unit

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fn vet<'id, I>( idx: I, container: &Container<'id, &Array>, ) -> Result<Index<'id, I, Unknown>, IndexError>
where I: Idx,

Vet an index for being on item boundaries. Read more
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fn after<'id, I>( this: Index<'id, I>, container: &Container<'id, &Array>, ) -> Index<'id, I, Unknown>
where I: Idx,

Increment an index to the next item, potentially leaving the container.
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fn advance<'id, I>( this: Index<'id, I>, container: &Container<'id, &Array>, ) -> Option<Index<'id, I>>
where I: Idx,

Advance an index to the next item, if a next item exists.
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impl<T> TrustedItem<[T]> for T

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type Unit = T

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fn vet<'id, I>( idx: I, container: &Container<'id, [T]>, ) -> Result<Index<'id, I, Unknown>, IndexError>
where I: Idx,

Vet an index for being on item boundaries. Read more
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fn after<'id, I>( this: Index<'id, I>, _: &Container<'id, [T]>, ) -> Index<'id, I, Unknown>
where I: Idx,

Increment an index to the next item, potentially leaving the container.
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fn advance<'id, I>( this: Index<'id, I>, container: &Container<'id, [T]>, ) -> Option<Index<'id, I>>
where I: Idx,

Advance an index to the next item, if a next item exists.
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impl<T, Array> TrustedItem<Box<Array>> for T
where Array: TrustedContainer<Item = T> + ?Sized, T: TrustedItem<Array> + ?Sized,

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type Unit = <T as TrustedItem<Array>>::Unit

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fn vet<'id, I>( idx: I, container: &Container<'id, Box<Array>>, ) -> Result<Index<'id, I, Unknown>, IndexError>
where I: Idx,

Vet an index for being on item boundaries. Read more
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fn after<'id, I>( this: Index<'id, I>, container: &Container<'id, Box<Array>>, ) -> Index<'id, I, Unknown>
where I: Idx,

Increment an index to the next item, potentially leaving the container.
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fn advance<'id, I>( this: Index<'id, I>, container: &Container<'id, Box<Array>>, ) -> Option<Index<'id, I>>
where I: Idx,

Advance an index to the next item, if a next item exists.
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impl<T> TrustedItem<Vec<T>> for T
where T: TrustedItem<[T]>,

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type Unit = <T as TrustedItem<[T]>>::Unit

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fn vet<'id, I>( idx: I, container: &Container<'id, Vec<T>>, ) -> Result<Index<'id, I, Unknown>, IndexError>
where I: Idx,

Vet an index for being on item boundaries. Read more
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fn after<'id, I>( this: Index<'id, I>, container: &Container<'id, Vec<T>>, ) -> Index<'id, I, Unknown>
where I: Idx,

Increment an index to the next item, potentially leaving the container.
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fn advance<'id, I>( this: Index<'id, I>, container: &Container<'id, Vec<T>>, ) -> Option<Index<'id, I>>
where I: Idx,

Advance an index to the next item, if a next item exists.
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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.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.