pub struct Parents(/* private fields */);
Expand description

A Block’s Parents are the BlockIds of the blocks it directly approves.

Parents must be:

  • in the Parents::COUNT_RANGE range;
  • lexicographically sorted;
  • unique;

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impl Parents

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pub const COUNT_RANGE: RangeInclusive<u8> = _

The range representing the valid number of parents.

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pub fn from_vec(inner: Vec<BlockId>) -> Result<Parents, Error>

Creates new Parents from a vec.

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pub fn from_set(inner: BTreeSet<BlockId>) -> Result<Parents, Error>

Creates new Parents from an ordered set.

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pub fn len(&self) -> usize

Returns the number of parents.

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pub fn iter(&self) -> impl ExactSizeIterator

Returns an iterator over the parents.

Trait Implementations§

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impl Clone for Parents

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fn clone(&self) -> Parents

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 Debug for Parents

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
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impl Deref for Parents
where BoxedSlicePrefix<BlockId, BoundedU8<iota_sdk::::types::block::parent::ParentCount::{constant#0}, iota_sdk::::types::block::parent::ParentCount::{constant#1}>>: Deref,

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type Target = <BoxedSlicePrefix<BlockId, BoundedU8<iota_sdk::::types::block::parent::ParentCount::{constant#0}, iota_sdk::::types::block::parent::ParentCount::{constant#1}>> as Deref>::Target

The resulting type after dereferencing.
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fn deref(&self) -> &<Parents as Deref>::Target

Dereferences the value.
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impl<'de> Deserialize<'de> for Parents

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fn deserialize<__D>( __deserializer: __D ) -> Result<Parents, <__D as Deserializer<'de>>::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Packable for Parents

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type UnpackError = Error

The error type that can be returned if some semantic error occurs while unpacking. Read more
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type UnpackVisitor = <BoxedSlicePrefix<BlockId, BoundedU8<iota_sdk::::types::block::parent::ParentCount::{constant#0}, iota_sdk::::types::block::parent::ParentCount::{constant#1}>> as Packable>::UnpackVisitor

FIXME: docs
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fn pack<P>(&self, packer: &mut P) -> Result<(), <P as Packer>::Error>
where P: Packer,

Packs this value into the given Packer.
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fn unpack<U, const VERIFY: bool>( unpacker: &mut U, visitor: &<Parents as Packable>::UnpackVisitor ) -> Result<Parents, UnpackError<<Parents as Packable>::UnpackError, <U as Unpacker>::Error>>
where U: Unpacker,

Unpacks this value from the given Unpacker. The VERIFY generic parameter can be used to skip additional syntactic checks.
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impl PartialEq for Parents

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fn eq(&self, other: &Parents) -> 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 Serialize for Parents

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fn serialize<__S>( &self, __serializer: __S ) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl Eq for Parents

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impl StructuralPartialEq for Parents

Auto Trait Implementations§

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> ConvertTo<T> for T
where T: Send,

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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<T> FmtJson for T
where T: ToJson,

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fn fmt_json(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Format this as a JSON string or pretty-JSON string based on whether the # format flag was used.
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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> FromJson for T
where T: for<'de> Deserialize<'de>,

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fn from_json(json: &(impl AsRef<str> + ?Sized)) -> Result<Self, Error>

Deserialize Self from a string of JSON text.
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fn from_json_slice(json: &(impl AsRef<[u8]> + ?Sized)) -> Result<Self, Error>

Deserialize Self from bytes of JSON text.
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fn from_json_value(json: Value) -> Result<Self, Error>

Deserialize Self from a serde_json::Value.
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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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> PackableExt for P
where P: Packable,

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fn unpack_verified<T>( bytes: T, visitor: &<P as Packable>::UnpackVisitor ) -> Result<P, UnpackError<<P as Packable>::UnpackError, UnexpectedEOF>>
where T: AsRef<[u8]>,

Unpacks this value from a type that implements [AsRef<[u8]>].

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fn unpack_unverified<T>( bytes: T ) -> Result<P, UnpackError<<P as Packable>::UnpackError, UnexpectedEOF>>
where T: AsRef<[u8]>,

Unpacks this value from a type that implements [AsRef<[u8]>] skipping some syntatical checks.

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fn packed_len(&self) -> usize

Returns the length in bytes of the value after being packed. The returned value always matches the number of bytes written using pack.
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fn pack_to_vec(&self) -> Vec<u8>

Convenience method that packs this value into a Vec<u8>.
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToJson for T
where T: Serialize,

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fn to_json(&self) -> Result<String, Error>

Serialize self as a string of JSON.
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fn to_json_vec(&self) -> Result<Vec<u8>, Error>

Serialize self as a JSON byte vector.
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fn to_json_value(&self) -> Result<Value, Error>

Serialize self as a serde_json::Value.
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fn to_json_pretty(&self) -> Result<String, Error>

Serialize self as a pretty-printed string of JSON.
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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, 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

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,