Struct polkadot_node_subsystem_types::DefaultSubsystemClient

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pub struct DefaultSubsystemClient<Client> { /* private fields */ }
Expand description

Default implementation of RuntimeApiSubsystemClient using the client.

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impl<Client> DefaultSubsystemClient<Client>

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pub fn new( client: Arc<Client>, offchain_transaction_pool_factory: OffchainTransactionPoolFactory<Block> ) -> Self

Create new instance.

Trait Implementations§

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impl<Client> AuxStore for DefaultSubsystemClient<Client>
where Client: AuxStore,

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fn insert_aux<'a, 'b: 'a, 'c: 'a, I: IntoIterator<Item = &'a (&'c [u8], &'c [u8])>, D: IntoIterator<Item = &'a &'b [u8]>>( &self, insert: I, delete: D ) -> Result<()>

Insert auxiliary data into key-value store. Read more
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fn get_aux(&self, key: &[u8]) -> Result<Option<Vec<u8>>>

Query auxiliary data from key-value store.
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impl<Client, Block> HeaderBackend<Block> for DefaultSubsystemClient<Client>
where Client: HeaderBackend<Block>, Block: Block,

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fn header(&self, hash: Block::Hash) -> Result<Option<Block::Header>>

Get block header. Returns None if block is not found.
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fn info(&self) -> Info<Block>

Get blockchain info.
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fn status(&self, hash: Block::Hash) -> Result<BlockStatus>

Get block status.
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fn number( &self, hash: Block::Hash ) -> Result<Option<<<Block as BlockT>::Header as HeaderT>::Number>>

Get block number by hash. Returns None if the header is not in the chain.
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fn hash(&self, number: NumberFor<Block>) -> Result<Option<Block::Hash>>

Get block hash by number. Returns None if the header is not in the chain.
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fn block_hash_from_id( &self, id: &BlockId<Block> ) -> Result<Option<<Block as Block>::Hash>, Error>

Convert an arbitrary block ID into a block hash.
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fn block_number_from_id( &self, id: &BlockId<Block> ) -> Result<Option<<<Block as Block>::Header as Header>::Number>, Error>

Convert an arbitrary block ID into a block hash.
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fn expect_header( &self, hash: <Block as Block>::Hash ) -> Result<<Block as Block>::Header, Error>

Get block header. Returns UnknownBlock error if block is not found.
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fn expect_block_number_from_id( &self, id: &BlockId<Block> ) -> Result<<<Block as Block>::Header as Header>::Number, Error>

Convert an arbitrary block ID into a block number. Returns UnknownBlock error if block is not found.
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fn expect_block_hash_from_id( &self, id: &BlockId<Block> ) -> Result<<Block as Block>::Hash, Error>

Convert an arbitrary block ID into a block hash. Returns UnknownBlock error if block is not found.
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impl<Client> RuntimeApiSubsystemClient for DefaultSubsystemClient<Client>
where Client: ProvideRuntimeApi<Block> + Send + Sync, Client::Api: ParachainHost<Block> + BabeApi<Block> + AuthorityDiscoveryApi<Block>,

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fn approval_voting_params<'life0, 'async_trait>( &'life0 self, at: Hash, _session_index: SessionIndex ) -> Pin<Box<dyn Future<Output = Result<ApprovalVotingParams, ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Approval voting configuration parameters

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fn validators<'life0, 'async_trait>( &'life0 self, at: Hash ) -> Pin<Box<dyn Future<Output = Result<Vec<ValidatorId>, ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Get the current validators.
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fn validator_groups<'life0, 'async_trait>( &'life0 self, at: Hash ) -> Pin<Box<dyn Future<Output = Result<(Vec<Vec<ValidatorIndex>>, GroupRotationInfo<BlockNumber>), ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Returns the validator groups and rotation info localized based on the hypothetical child of a block whose state this is invoked on. Note that now in the GroupRotationInfo should be the successor of the number of the block.
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fn availability_cores<'life0, 'async_trait>( &'life0 self, at: Hash ) -> Pin<Box<dyn Future<Output = Result<Vec<CoreState<Hash, BlockNumber>>, ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Yields information on all availability cores as relevant to the child block. Cores are either free or occupied. Free cores can have paras assigned to them.
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fn persisted_validation_data<'life0, 'async_trait>( &'life0 self, at: Hash, para_id: Id, assumption: OccupiedCoreAssumption ) -> Pin<Box<dyn Future<Output = Result<Option<PersistedValidationData<Hash, BlockNumber>>, ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Yields the persisted validation data for the given ParaId along with an assumption that should be used if the para currently occupies a core. Read more
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fn assumed_validation_data<'life0, 'async_trait>( &'life0 self, at: Hash, para_id: Id, expected_persisted_validation_data_hash: Hash ) -> Pin<Box<dyn Future<Output = Result<Option<(PersistedValidationData<Hash, BlockNumber>, ValidationCodeHash)>, ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Returns the persisted validation data for the given ParaId along with the corresponding validation code hash. Instead of accepting assumption about the para, matches the validation data hash against an expected one and yields None if they’re not equal.
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fn check_validation_outputs<'life0, 'async_trait>( &'life0 self, at: Hash, para_id: Id, outputs: CandidateCommitments ) -> Pin<Box<dyn Future<Output = Result<bool, ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Checks if the given validation outputs pass the acceptance criteria.
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fn session_index_for_child<'life0, 'async_trait>( &'life0 self, at: Hash ) -> Pin<Box<dyn Future<Output = Result<SessionIndex, ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Returns the session index expected at a child of the block. Read more
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fn validation_code<'life0, 'async_trait>( &'life0 self, at: Hash, para_id: Id, assumption: OccupiedCoreAssumption ) -> Pin<Box<dyn Future<Output = Result<Option<ValidationCode>, ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Fetch the validation code used by a para, making the given OccupiedCoreAssumption. Read more
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fn candidate_pending_availability<'life0, 'async_trait>( &'life0 self, at: Hash, para_id: Id ) -> Pin<Box<dyn Future<Output = Result<Option<CommittedCandidateReceipt<Hash>>, ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Get the receipt of a candidate pending availability. This returns Some for any paras assigned to occupied cores in availability_cores and None otherwise.
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fn candidate_events<'life0, 'async_trait>( &'life0 self, at: Hash ) -> Pin<Box<dyn Future<Output = Result<Vec<CandidateEvent<Hash>>, ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Get a vector of events concerning candidates that occurred within a block.
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fn dmq_contents<'life0, 'async_trait>( &'life0 self, at: Hash, recipient: Id ) -> Pin<Box<dyn Future<Output = Result<Vec<InboundDownwardMessage<BlockNumber>>, ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Get all the pending inbound messages in the downward message queue for a para.
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fn inbound_hrmp_channels_contents<'life0, 'async_trait>( &'life0 self, at: Hash, recipient: Id ) -> Pin<Box<dyn Future<Output = Result<BTreeMap<Id, Vec<InboundHrmpMessage<BlockNumber>>>, ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Get the contents of all channels addressed to the given recipient. Channels that have no messages in them are also included.
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fn validation_code_by_hash<'life0, 'async_trait>( &'life0 self, at: Hash, hash: ValidationCodeHash ) -> Pin<Box<dyn Future<Output = Result<Option<ValidationCode>, ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Get the validation code from its hash.
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fn on_chain_votes<'life0, 'async_trait>( &'life0 self, at: Hash ) -> Pin<Box<dyn Future<Output = Result<Option<ScrapedOnChainVotes<Hash>>, ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Scrape dispute relevant from on-chain, backing votes and resolved disputes.
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fn session_executor_params<'life0, 'async_trait>( &'life0 self, at: Hash, session_index: SessionIndex ) -> Pin<Box<dyn Future<Output = Result<Option<ExecutorParams>, ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Get the execution environment parameter set by parent hash, if stored
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fn session_info<'life0, 'async_trait>( &'life0 self, at: Hash, index: SessionIndex ) -> Pin<Box<dyn Future<Output = Result<Option<SessionInfo>, ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Get the session info for the given session, if stored. Read more
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fn submit_pvf_check_statement<'life0, 'async_trait>( &'life0 self, at: Hash, stmt: PvfCheckStatement, signature: ValidatorSignature ) -> Pin<Box<dyn Future<Output = Result<(), ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Submits a PVF pre-checking statement into the transaction pool. Read more
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fn pvfs_require_precheck<'life0, 'async_trait>( &'life0 self, at: Hash ) -> Pin<Box<dyn Future<Output = Result<Vec<ValidationCodeHash>, ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Returns code hashes of PVFs that require pre-checking by validators in the active set. Read more
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fn validation_code_hash<'life0, 'async_trait>( &'life0 self, at: Hash, para_id: Id, assumption: OccupiedCoreAssumption ) -> Pin<Box<dyn Future<Output = Result<Option<ValidationCodeHash>, ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Fetch the hash of the validation code used by a para, making the given OccupiedCoreAssumption. Read more
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fn current_epoch<'life0, 'async_trait>( &'life0 self, at: Hash ) -> Pin<Box<dyn Future<Output = Result<Epoch, ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Returns information regarding the current epoch.
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fn authorities<'life0, 'async_trait>( &'life0 self, at: Hash ) -> Pin<Box<dyn Future<Output = Result<Vec<AuthorityId>, ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Retrieve authority identifiers of the current and next authority set.
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fn api_version_parachain_host<'life0, 'async_trait>( &'life0 self, at: Hash ) -> Pin<Box<dyn Future<Output = Result<Option<u32>, ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Parachain host API version
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fn disputes<'life0, 'async_trait>( &'life0 self, at: Hash ) -> Pin<Box<dyn Future<Output = Result<Vec<(SessionIndex, CandidateHash, DisputeState<BlockNumber>)>, ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Returns all onchain disputes. This is a staging method! Do not use on production runtimes!
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fn unapplied_slashes<'life0, 'async_trait>( &'life0 self, at: Hash ) -> Pin<Box<dyn Future<Output = Result<Vec<(SessionIndex, CandidateHash, PendingSlashes)>, ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Returns a list of validators that lost a past session dispute and need to be slashed. Read more
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fn key_ownership_proof<'life0, 'async_trait>( &'life0 self, at: Hash, validator_id: ValidatorId ) -> Pin<Box<dyn Future<Output = Result<Option<OpaqueKeyOwnershipProof>, ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Returns a merkle proof of a validator session key in a past session. Read more
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fn submit_report_dispute_lost<'life0, 'async_trait>( &'life0 self, at: Hash, dispute_proof: DisputeProof, key_ownership_proof: OpaqueKeyOwnershipProof ) -> Pin<Box<dyn Future<Output = Result<Option<()>, ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Submits an unsigned extrinsic to slash validators who lost a dispute about a candidate of a past session. Read more
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fn minimum_backing_votes<'life0, 'async_trait>( &'life0 self, at: Hash, _session_index: SessionIndex ) -> Pin<Box<dyn Future<Output = Result<u32, ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Get the minimum number of backing votes.
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fn para_backing_state<'life0, 'async_trait>( &'life0 self, at: Hash, para_id: Id ) -> Pin<Box<dyn Future<Output = Result<Option<BackingState>, ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Returns the state of parachain backing for a given para. This is a staging method! Do not use on production runtimes!
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fn async_backing_params<'life0, 'async_trait>( &'life0 self, at: Hash ) -> Pin<Box<dyn Future<Output = Result<AsyncBackingParams, ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Returns candidate’s acceptance limitations for asynchronous backing for a relay parent.
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fn node_features<'life0, 'async_trait>( &'life0 self, at: Hash ) -> Pin<Box<dyn Future<Output = Result<NodeFeatures, ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Get the node features.
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fn disabled_validators<'life0, 'async_trait>( &'life0 self, at: Hash ) -> Pin<Box<dyn Future<Output = Result<Vec<ValidatorIndex>, ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Gets the disabled validators at a specific block height
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fn claim_queue<'life0, 'async_trait>( &'life0 self, at: Hash ) -> Pin<Box<dyn Future<Output = Result<BTreeMap<CoreIndex, VecDeque<Id>>, ApiError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Fetch the ClaimQueue from scheduler pallet

Auto Trait Implementations§

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impl<Client> Freeze for DefaultSubsystemClient<Client>

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impl<Client> !RefUnwindSafe for DefaultSubsystemClient<Client>

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impl<Client> Send for DefaultSubsystemClient<Client>
where Client: Sync + Send,

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impl<Client> Sync for DefaultSubsystemClient<Client>
where Client: Sync + Send,

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impl<Client> Unpin for DefaultSubsystemClient<Client>

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impl<Client> !UnwindSafe for DefaultSubsystemClient<Client>

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

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fn borrow_mut(&mut self) -> &mut T

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impl<T> ChainApiBackend for T
where T: HeaderBackend<Block<Header<u32, BlakeTwo256>, OpaqueExtrinsic>>,

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fn header<'life0, 'async_trait>( &'life0 self, hash: H256 ) -> Pin<Box<dyn Future<Output = Result<Option<Header<u32, BlakeTwo256>>, Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, T: 'async_trait,

Get block header. Returns None if block is not found.

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fn info<'life0, 'async_trait>( &'life0 self ) -> Pin<Box<dyn Future<Output = Result<Info<Block<Header<u32, BlakeTwo256>, OpaqueExtrinsic>>, Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, T: 'async_trait,

Get blockchain info.

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fn number<'life0, 'async_trait>( &'life0 self, hash: H256 ) -> Pin<Box<dyn Future<Output = Result<Option<<Header<u32, BlakeTwo256> as Header>::Number>, Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, T: 'async_trait,

Get block number by hash. Returns None if the header is not in the chain.

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fn hash<'life0, 'async_trait>( &'life0 self, number: <<Block<Header<u32, BlakeTwo256>, OpaqueExtrinsic> as Block>::Header as Header>::Number ) -> Pin<Box<dyn Future<Output = Result<Option<H256>, Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, T: 'async_trait,

Get block hash by number. Returns None if the header is not in the chain.

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fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

Calls .tap_ref_mut() only in debug builds, and is erased in release builds.
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fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self
where Self: Deref<Target = T>, T: ?Sized,

Calls .tap_deref() only in debug builds, and is erased in release builds.
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fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

Calls .tap_deref_mut() only in debug builds, and is erased in release builds.
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impl<T> TryConv for T

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fn try_conv<T>(self) -> Result<T, Self::Error>
where Self: TryInto<T>,

Attempts to convert self into T using TryInto<T>. 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<S, T> UncheckedInto<T> for S
where T: UncheckedFrom<S>,

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fn unchecked_into(self) -> T

The counterpart to unchecked_from.
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impl<T, S> UniqueSaturatedInto<T> for S
where T: Bounded, S: TryInto<T>,

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fn unique_saturated_into(self) -> T

Consume self to return an equivalent value of T.
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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> JsonSchemaMaybe for T