SerializeHandle

Enum SerializeHandle 

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pub enum SerializeHandle<'a> {
    Borrowed(&'a dyn Serialize),
    Owned(Box<dyn Serialize + 'a>),
}
Expand description

A handle to a Serialize type.

During serialization it common to be in a situation where one needs to return locally constructed Serialize. This is where SerializeHandle comes in. In cases where the Serialize cannot be borrowed it can be boxed up inside the handle.

The equivalent for deserialization is the SinkHandle.

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Borrowed(&'a dyn Serialize)

A borrowed reference to a Serialize.

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Owned(Box<dyn Serialize + 'a>)

A boxed up Serialize.

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impl<'a> SerializeHandle<'a>

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pub fn to<S: Serialize + 'a>(val: &'a S) -> SerializeHandle<'a>

Create a borrowed handle to a Serialize.

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pub fn boxed<S: Serialize + 'a>(val: S) -> SerializeHandle<'a>

Create an owned handle to a heap allocated Serialize.

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impl<'a> Deref for SerializeHandle<'a>

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type Target = dyn Serialize + 'a

The resulting type after dereferencing.
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fn deref(&self) -> &Self::Target

Dereferences the value.

Auto Trait Implementations§

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impl<'a> Freeze for SerializeHandle<'a>

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impl<'a> !RefUnwindSafe for SerializeHandle<'a>

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impl<'a> !Send for SerializeHandle<'a>

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impl<'a> !Sync for SerializeHandle<'a>

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impl<'a> Unpin for SerializeHandle<'a>

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impl<'a> !UnwindSafe for SerializeHandle<'a>

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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<P, T> Receiver for P
where P: Deref<Target = T> + ?Sized, T: ?Sized,

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type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types)
The target type on which the method may be called.
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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.