Here

Struct Here 

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pub struct Here;
Expand description

Index representing the first element.

Trait Implementations§

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impl<Target, Tail> ConsHas<Target, Here> for (Target, Tail)

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type Plucked = Tail

Remaining tail after element removal.
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fn cons_get(self) -> Target

Deconstructs the cons tuple and gets the element
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fn cons_pluck(self) -> (Target, Self::Plucked)

Deconstructs the cons tuple into a plucked element and the rest of the tuple
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fn cons_get_ref(&self) -> &Target

Gets a reference to the element in this cons tuple
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fn cons_get_mut(&mut self) -> &mut Target

Gets a mutable reference to the element in this cons tuple
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impl Index for Here

Auto Trait Implementations§

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impl Freeze for Here

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impl RefUnwindSafe for Here

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impl Send for Here

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impl Sync for Here

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impl Unpin for Here

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impl UnwindSafe for Here

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, 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.