tokio_util_codec_compose::encode::adaptors

Struct EncoderContraMap

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pub struct EncoderContraMap<C, F> { /* private fields */ }
Expand description

An encoder for applying a non-fallible transformation.

The result of crate::encode::EncoderExt::contra_map.

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impl<C: Debug, F: Debug> Debug for EncoderContraMap<C, F>

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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<C, F, A, B, E> Encoder<B> for EncoderContraMap<C, F>
where C: Encoder<A, Error = E>, F: Fn(B) -> A, E: From<Error>,

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type Error = E

The type of encoding errors. Read more
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fn encode(&mut self, item: B, dst: &mut BytesMut) -> Result<(), Self::Error>

Encodes a frame into the buffer provided. Read more

Auto Trait Implementations§

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impl<C, F> Freeze for EncoderContraMap<C, F>
where C: Freeze, F: Freeze,

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impl<C, F> RefUnwindSafe for EncoderContraMap<C, F>
where C: RefUnwindSafe, F: RefUnwindSafe,

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impl<C, F> Send for EncoderContraMap<C, F>
where C: Send, F: Send,

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impl<C, F> Sync for EncoderContraMap<C, F>
where C: Sync, F: Sync,

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impl<C, F> Unpin for EncoderContraMap<C, F>
where C: Unpin, F: Unpin,

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impl<C, F> UnwindSafe for EncoderContraMap<C, F>
where C: UnwindSafe, F: UnwindSafe,

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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<C, A, E> EncoderExt<A, E> for C
where C: Encoder<A, Error = E>,

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fn contra_map<F, B>(self, f: F) -> EncoderContraMap<Self, F>
where F: Fn(B) -> A, Self: Sized,

Applies a function f of type B -> A over the input before encoding. 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.