Enum tract_core::internal::tract_itertools::Position[−][src]

pub enum Position<T> {
    First(T),
    Middle(T),
    Last(T),
    Only(T),
}
Expand description

A value yielded by WithPosition. Indicates the position of this element in the iterator results.

See .with_position() for more information.

Variants

First(T)
Expand description

This is the first element.

Middle(T)
Expand description

This is neither the first nor the last element.

Last(T)
Expand description

This is the last element.

Only(T)
Expand description

This is the only element.

Implementations

impl<T> Position<T>[src]

pub fn into_inner(self) -> T[src]

Return the inner value.

Trait Implementations

impl<T> Clone for Position<T> where
    T: Clone, [src]

pub fn clone(&self) -> Position<T>[src]

Returns a copy of the value. Read more

fn clone_from(&mut self, source: &Self)1.0.0[src]

Performs copy-assignment from source. Read more

impl<T> Debug for Position<T> where
    T: Debug, [src]

pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>[src]

Formats the value using the given formatter. Read more

impl<T> PartialEq<Position<T>> for Position<T> where
    T: PartialEq<T>, [src]

pub fn eq(&self, other: &Position<T>) -> bool[src]

This method tests for self and other values to be equal, and is used by ==. Read more

pub fn ne(&self, other: &Position<T>) -> bool[src]

This method tests for !=.

impl<T> Copy for Position<T> where
    T: Copy, [src]

impl<T> StructuralPartialEq for Position<T>[src]

Auto Trait Implementations

impl<T> RefUnwindSafe for Position<T> where
    T: RefUnwindSafe, 

impl<T> Send for Position<T> where
    T: Send, 

impl<T> Sync for Position<T> where
    T: Sync, 

impl<T> Unpin for Position<T> where
    T: Unpin, 

impl<T> UnwindSafe for Position<T> where
    T: UnwindSafe, 

Blanket Implementations

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

pub fn type_id(&self) -> TypeId[src]

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
    T: ?Sized, [src]

pub fn borrow(&self) -> &T[src]

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src]

pub fn borrow_mut(&mut self) -> &mut T[src]

Mutably borrows from an owned value. Read more

impl<T> Downcast for T where
    T: Any, [src]

pub fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>ⓘ

Notable traits for Box<R, Global>

impl<R> Read for Box<R, Global> where
    R: Read + ?Sized, impl<W> Write for Box<W, Global> where
    W: Write + ?Sized, impl<F, A> Future for Box<F, A> where
    F: Future + Unpin + ?Sized,
    A: Allocator + 'static,  type Output = <F as Future>::Output;impl<I, A> Iterator for Box<I, A> where
    A: Allocator,
    I: Iterator + ?Sized,  type Item = <I as Iterator>::Item;
[src]

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait. Read more

pub fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>[src]

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait. Read more

pub fn as_any(&self) -> &(dyn Any + 'static)[src]

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s. Read more

pub fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)[src]

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s. Read more

impl<T> DowncastSync for T where
    T: Any + Send + Sync, [src]

pub fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + 'static + Sync + Send>[src]

Convert Arc<Trait> (where Trait: Downcast) to Arc<Any>. Arc<Any> can then be further downcast into Arc<ConcreteType> where ConcreteType implements Trait. Read more

impl<T> DynClone for T where
    T: Clone, [src]

pub fn __clone_box(&self, Private) -> *mut ()[src]

impl<T> From<T> for T[src]

pub fn from(t: T) -> T[src]

Performs the conversion.

impl<T, U> Into<U> for T where
    U: From<T>, [src]

pub fn into(self) -> U[src]

Performs the conversion.

impl<T> ToOwned for T where
    T: Clone, [src]

type Owned = T

The resulting type after obtaining ownership.

pub fn to_owned(&self) -> T[src]

Creates owned data from borrowed data, usually by cloning. Read more

pub fn clone_into(&self, target: &mut T)[src]

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

recently added

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src]

type Error = Infallible

The type returned in the event of a conversion error.

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]

Performs the conversion.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src]

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

The type returned in the event of a conversion error.

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>[src]

Performs the conversion.