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There

Struct There 

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pub struct There<I>(/* private fields */);
Expand description

Index marker: “found further down the list, at index I”.

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impl<K, Other, V, Tail, I> Field<K, There<I>> for RowCons<Other, V, Tail>
where Tail: Field<K, I>,

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type Value = <Tail as Field<K, I>>::Value

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type Rest = RowCons<Other, V, <Tail as Field<K, I>>::Rest>

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fn peek(&self) -> &Self::Value

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fn pluck(self) -> (Self::Value, Self::Rest)

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impl<T: Table, Head, Tail, I> Find<T, There<I>> for Cons<Head, Tail>
where Tail: Find<T, I>,

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type Nullability = <Tail as Find<T, I>>::Nullability

The nullability T has in this scope (derived from how it was joined, not asserted manually).
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impl<I: Position> Position for There<I>

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impl<F, K, V, Tail, I> TakeNamed<F, There<I>> for RowCons<K, V, Tail>
where Tail: TakeNamed<F, I>,

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type Value = <Tail as TakeNamed<F, I>>::Value

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type Rest = RowCons<K, V, <Tail as TakeNamed<F, I>>::Rest>

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fn take_named(self) -> (Self::Value, Self::Rest)

Auto Trait Implementations§

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impl<I> Freeze for There<I>
where PhantomData<I>: Freeze,

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impl<I> RefUnwindSafe for There<I>

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impl<I> Send for There<I>
where PhantomData<I>: Send,

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impl<I> Sync for There<I>
where PhantomData<I>: Sync,

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impl<I> Unpin for There<I>
where PhantomData<I>: Unpin,

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impl<I> UnsafeUnpin for There<I>

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impl<I> UnwindSafe for There<I>

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> 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<S> Superset<Nil, Nil> for S

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

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type Error = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

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.
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impl<T> WrapNullable<NotNull> for T