Enum itertools::Position

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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.

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First(T)

This is the first element.

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Middle(T)

This is neither the first nor the last element.

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Last(T)

This is the last element.

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Only(T)

This is the only element.

Implementations§

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impl<T> Position<T>

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pub fn into_inner(self) -> T

Return the inner value.

Trait Implementations§

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impl<T: Clone> Clone for Position<T>

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fn clone(&self) -> Position<T>

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<T: Debug> Debug for Position<T>

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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<T: PartialEq> PartialEq for Position<T>

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fn eq(&self, other: &Position<T>) -> bool

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<T: Copy> Copy for Position<T>

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impl<T> StructuralPartialEq for Position<T>

Auto Trait Implementations§

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

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

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

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

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

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<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, 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.