Struct yoke::trait_hack::YokeTraitHack

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#[repr(transparent)]
pub struct YokeTraitHack<T>(pub T);
Expand description

A wrapper around a type T, forwarding trait calls down to the inner type.

YokeTraitHack supports Clone, PartialEq, Eq, and [serde::Deserialize] out of the box. Other traits can be implemented by the caller.

For more information, see the module-level documentation.

§Example

Using YokeTraitHack as a type bound in a function comparing two Yokes:

use yoke::trait_hack::YokeTraitHack;
use yoke::*;

fn compare_yokes<Y, C1, C2>(y1: Yoke<Y, C1>, y2: Yoke<Y, C2>) -> bool
where
    Y: for<'a> Yokeable<'a>,
    for<'a> YokeTraitHack<<Y as Yokeable<'a>>::Output>: PartialEq,
{
    YokeTraitHack(y1.get()).into_ref() == YokeTraitHack(y2.get()).into_ref()
}

Tuple Fields§

§0: T

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impl<'a, T> YokeTraitHack<&'a T>

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pub fn into_ref(self) -> &'a YokeTraitHack<T>

Converts from YokeTraitHack<&T> to &YokeTraitHack<T>.

This is safe because YokeTraitHack is repr(transparent).

This method is required to implement Clone on Yoke.

Trait Implementations§

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impl<T: Clone> Clone for YokeTraitHack<T>

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

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fn eq(&self, other: &YokeTraitHack<T>) -> 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<'zf, C: ?Sized, T> ZeroFrom<'zf, C> for YokeTraitHack<T>
where T: ZeroFrom<'zf, C>,

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fn zero_from(cart: &'zf C) -> Self

Clone the other C into a struct that may retain references into C.
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impl<T: Eq> Eq for YokeTraitHack<T>

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impl<T> StructuralPartialEq for YokeTraitHack<T>

Auto Trait Implementations§

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impl<T> Freeze for YokeTraitHack<T>
where T: Freeze,

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

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

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

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

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impl<T> UnwindSafe for YokeTraitHack<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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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.
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impl<T> ErasedDestructor for T
where T: 'static,