Optional

bp3d_proto::message::util

Struct Optional 

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pub struct Optional<T>(/* private fields */);

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impl<'a, T: FromBytes<'a>> FromBytes<'a> for Optional<T>

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type Output = Option<<T as FromBytes<'a>>::Output>

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fn from_bytes(slice: &'a [u8]) -> Result<Message<Option<T::Output>>, Error>

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impl<'a, T: FromBytes<'a> + FromBytesWithOffsets<'a>> FromBytesWithOffsets<'a> for Optional<T>

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type Offsets = Option<<T as FromBytesWithOffsets<'a>>::Offsets>

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fn from_bytes_with_offsets( slice: &'a [u8], ) -> Result<Message<(Self::Output, Self::Offsets)>>

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impl<T: WriteTo> WriteTo for Optional<T>

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type Input<'a> = Option<<T as WriteTo>::Input<'a>>

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fn write_to<W: Write>(input: &Self::Input<'_>, out: W) -> Result<(), Error>

Auto Trait Implementations§

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impl<T> Freeze for Optional<T>

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

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

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

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

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impl<T> UnwindSafe for Optional<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<'a, H, T> FromBytesWithHeader<'a, H> for T
where T: FromBytes<'a>,

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type Output = <T as FromBytes<'a>>::Output

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fn from_bytes_with_header( slice: &'a [u8], _: &H, ) -> Result<Message<<T as FromBytesWithHeader<'a, H>>::Output>, Error>

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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> IntoUnion<U> for T
where U: FromValue<T>,

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fn into_union(self) -> U

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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.