Struct der::asn1::OptionalRef

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pub struct OptionalRef<'a, T>(pub Option<&'a T>);
Expand description

A reference to an ASN.1 OPTIONAL type, used for encoding only.

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§0: Option<&'a T>

Trait Implementations§

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impl<'a, T> Encodable for OptionalRef<'a, T>
where T: Encodable,

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fn encoded_len(&self) -> Result<Length>

Compute the length of this value in bytes when encoded as ASN.1 DER.
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fn encode(&self, encoder: &mut Encoder<'_>) -> Result<()>

Encode this value as ASN.1 DER using the provided Encoder.
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fn encode_to_slice<'a>(&self, buf: &'a mut [u8]) -> Result<&'a [u8]>

Encode this value to the provided byte slice, returning a sub-slice containing the encoded message.

Auto Trait Implementations§

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impl<'a, T> Freeze for OptionalRef<'a, T>

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impl<'a, T> RefUnwindSafe for OptionalRef<'a, T>
where T: RefUnwindSafe,

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

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impl<'a, T> Sync for OptionalRef<'a, T>
where T: Sync,

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impl<'a, T> Unpin for OptionalRef<'a, T>

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

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<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.