Struct amplify::strategy::Holder

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pub struct Holder<'a, T, S>(_, _);
Expand description

Helper type allowing implementation of trait object for generic types multiple times. In practice this type is never used

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impl<'a, T, S> Holder<'a, T, S>

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pub fn new(val: &'a T) -> Self

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pub fn unbox(&self) -> &'a T

Auto Trait Implementations§

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impl<'a, T, S> RefUnwindSafe for Holder<'a, T, S>where
    S: RefUnwindSafe,
    T: RefUnwindSafe,

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impl<'a, T, S> Send for Holder<'a, T, S>where
    S: Send,
    T: Sync,

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impl<'a, T, S> Sync for Holder<'a, T, S>where
    S: Sync,
    T: Sync,

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impl<'a, T, S> Unpin for Holder<'a, T, S>where
    S: Unpin,

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impl<'a, T, S> UnwindSafe for Holder<'a, T, S>where
    S: UnwindSafe,
    T: RefUnwindSafe,

Blanket Implementations§

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impl<T> Any for Twhere
    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 Twhere
    T: ?Sized,

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere
    T: ?Sized,

const: unstable · source§

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 Twhere
    U: From<T>,

const: unstable · source§

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 Twhere
    U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
const: unstable · source§

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 Twhere
    U: TryFrom<T>,

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

The type returned in the event of a conversion error.
const: unstable · source§

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

Performs the conversion.