Struct domain::base::opt::chain::Chain

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pub struct Chain<Name: ?Sized> { /* private fields */ }
Expand description

Option data for the CHAIN option.

The CHAIN option can be used to request that the queried include all the records necessary to validate the DNSSEC signatures of an answer. The option includes the absolute domain name that serves as the starting point of the included records, i.e., the suffix of the queried name furthest away from the root to which the requesting resolver already has all necessary records.

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impl<Name: ?Sized> Chain<Name>

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pub fn new(start: Name) -> Self
where Name: Sized,

Creates new CHAIN option data using the given name as the start.

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pub fn new_ref(start: &Name) -> &Self

Creates a reference to CHAIN option data from a reference to the start.

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pub fn start(&self) -> &Name

Returns a reference to the start point.

The start point is the name furthest along the chain to which the requester already has all necessary records.

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pub fn into_start(self) -> Name
where Name: Sized,

Converts the value into the start point.

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impl<Octs> Chain<Dname<Octs>>

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pub fn parse<'a, Src: Octets<Range<'a> = Octs> + ?Sized>( parser: &mut Parser<'a, Src>, ) -> Result<Self, ParseError>

Parses CHAIN option data from its wire format.

Trait Implementations§

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impl<Name: Clone + ?Sized> Clone for Chain<Name>

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fn clone(&self) -> Chain<Name>

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<Name: ToDname> ComposeOptData for Chain<Name>

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fn compose_len(&self) -> u16

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fn compose_option<Target: OctetsBuilder + ?Sized>( &self, target: &mut Target, ) -> Result<(), Target::AppendError>

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impl<Name: Debug + ?Sized> Debug for Chain<Name>

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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<Name: Display> Display for Chain<Name>

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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<Octs, Name> From<Chain<Name>> for AllOptData<Octs, Name>

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fn from(value: Chain<Name>) -> Self

Converts to this type from the input type.
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impl<Name: Hash> Hash for Chain<Name>

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fn hash<H: Hasher>(&self, state: &mut H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl<Name, SrcName> OctetsFrom<Chain<SrcName>> for Chain<Name>
where Name: OctetsFrom<SrcName>,

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type Error = <Name as OctetsFrom<SrcName>>::Error

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fn try_octets_from(src: Chain<SrcName>) -> Result<Self, Self::Error>

Performs the conversion.
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impl<Name> OptData for Chain<Name>

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fn code(&self) -> OptionCode

Returns the option code associated with this option.
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impl<Name: ToDname> Ord for Chain<Name>

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fn cmp(&self, other: &Self) -> Ordering

This method returns an Ordering between self and other. Read more
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fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized + PartialOrd,

Restrict a value to a certain interval. Read more
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impl<'a, Octs> ParseOptData<'a, Octs> for Chain<Dname<Octs::Range<'a>>>
where Octs: Octets,

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fn parse_option( code: OptionCode, parser: &mut Parser<'a, Octs>, ) -> Result<Option<Self>, ParseError>

Parses the option code data. Read more
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impl<Name, OtherName> PartialEq<Chain<OtherName>> for Chain<Name>
where Name: ToDname, OtherName: ToDname,

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fn eq(&self, other: &Chain<OtherName>) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<Name, OtherName> PartialOrd<Chain<OtherName>> for Chain<Name>
where Name: ToDname, OtherName: ToDname,

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fn partial_cmp(&self, other: &Chain<OtherName>) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl<Name: Copy + ?Sized> Copy for Chain<Name>

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impl<Name: ToDname> Eq for Chain<Name>

Auto Trait Implementations§

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impl<Name> Freeze for Chain<Name>
where Name: Freeze + ?Sized,

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impl<Name> RefUnwindSafe for Chain<Name>
where Name: RefUnwindSafe + ?Sized,

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impl<Name> Send for Chain<Name>
where Name: Send + ?Sized,

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impl<Name> Sync for Chain<Name>
where Name: Sync + ?Sized,

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impl<Name> Unpin for Chain<Name>
where Name: Unpin + ?Sized,

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impl<Name> UnwindSafe for Chain<Name>
where Name: UnwindSafe + ?Sized,

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> CloneToUninit for T
where T: Clone,

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default unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T> CloneToUninit for T
where T: Copy,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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<Source, Target> OctetsInto<Target> for Source
where Target: OctetsFrom<Source>,

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type Error = <Target as OctetsFrom<Source>>::Error

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fn try_octets_into( self, ) -> Result<Target, <Source as OctetsInto<Target>>::Error>

Performs the conversion.
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fn octets_into(self) -> Target
where Self::Error: Into<Infallible>,

Performs an infallible conversion.
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToString for T
where T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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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.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V