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Struct pallet_bridge_grandpa::pallet::Pallet

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pub struct Pallet<T, I = ()>(/* private fields */);
Expand description

The Pallet struct, the main type that implements traits and standalone functions within the pallet.

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impl<T: Config<I>, I: 'static> Pallet<T, I>

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pub fn submit_finality_proof( origin: OriginFor<T>, finality_target: Box<BridgedHeader<T, I>>, justification: GrandpaJustification<BridgedHeader<T, I>>, ) -> DispatchResultWithPostInfo

👎Deprecated: submit_finality_proof will be removed in May 2024. Use submit_finality_proof_ex instead.

This call is deprecated and will be removed around May 2024. Use the submit_finality_proof_ex instead. Semantically, this call is an equivalent of the submit_finality_proof_ex call without current authority set id check.

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pub fn initialize( origin: OriginFor<T>, init_data: InitializationData<BridgedHeader<T, I>>, ) -> DispatchResultWithPostInfo

Bootstrap the bridge pallet with an initial header and authority set from which to sync.

The initial configuration provided does not need to be the genesis header of the bridged chain, it can be any arbitrary header. You can also provide the next scheduled set change if it is already know.

This function is only allowed to be called from a trusted origin and writes to storage with practically no checks in terms of the validity of the data. It is important that you ensure that valid data is being passed in.

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pub fn set_owner( origin: OriginFor<T>, new_owner: Option<T::AccountId>, ) -> DispatchResult

Change PalletOwner.

May only be called either by root, or by PalletOwner.

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pub fn set_operating_mode( origin: OriginFor<T>, operating_mode: BasicOperatingMode, ) -> DispatchResult

Halt or resume all pallet operations.

May only be called either by root, or by PalletOwner.

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pub fn submit_finality_proof_ex( origin: OriginFor<T>, finality_target: Box<BridgedHeader<T, I>>, justification: GrandpaJustification<BridgedHeader<T, I>>, current_set_id: SetId, _is_free_execution_expected: bool, ) -> DispatchResultWithPostInfo

Verify a target header is finalized according to the given finality proof. The proof is assumed to be signed by GRANDPA authorities set with current_set_id id.

It will use the underlying storage pallet to fetch information about the current authorities and best finalized header in order to verify that the header is finalized.

If successful in verification, it will write the target header to the underlying storage pallet.

The call fails if:

  • the pallet is halted;

  • the pallet knows better header than the finality_target;

  • the id of best GRANDPA authority set, known to the pallet is not equal to the current_set_id;

  • verification is not optimized or invalid;

  • header contains forced authorities set change or change with non-zero delay.

The is_free_execution_expected parameter is not really used inside the call. It is used by the transaction extension, which should be registered at the runtime level. If this parameter is true, the transaction will be treated as invalid, if the call won’t be executed for free. If transaction extension is not used by the runtime, this parameter is not used at all.

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pub fn force_set_pallet_state( origin: OriginFor<T>, new_current_set_id: SetId, new_authorities: AuthorityList, new_best_header: Box<BridgedHeader<T, I>>, ) -> DispatchResult

Set current authorities set and best finalized bridged header to given values (almost) without any checks. This call can fail only if:

  • the call origin is not a root or a pallet owner;

  • there are too many authorities in the new set.

No other checks are made. Previously imported headers stay in the storage and are still accessible after the call.

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impl<T: Config<I>, I: 'static> Pallet<T, I>

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pub fn best_finalized() -> Option<BridgedBlockId<T, I>>

An auto-generated getter for BestFinalized.

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impl<T: Config<I>, I: 'static> Pallet<T, I>
where <T as Config>::RuntimeEvent: TryInto<Event<T, I>>,

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pub fn synced_headers_grandpa_info() -> Vec<StoredHeaderGrandpaInfo<BridgedHeader<T, I>>>

Get the GRANDPA justifications accepted in the current block.

Trait Implementations§

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impl<T: Config<I>, I: 'static> BeforeAllRuntimeMigrations for Pallet<T, I>

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fn before_all_runtime_migrations() -> Weight

Something that should happen before runtime migrations are executed.
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impl<T, I: 'static> Benchmarking for Pallet<T, I>
where T: Config + Config<I>,

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fn benchmarks(extra: bool) -> Vec<BenchmarkMetadata>

Get the benchmarks available for this pallet. Generally there is one benchmark per extrinsic, so these are sometimes just called “extrinsics”. Read more
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fn run_benchmark( extrinsic: &[u8], c: &[(BenchmarkParameter, u32)], whitelist: &[TrackedStorageKey], verify: bool, internal_repeats: u32, ) -> Result<Vec<BenchmarkResult>, BenchmarkError>

Run the benchmarks for this pallet.
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impl<T: Config<I>, I: 'static> Callable<T> for Pallet<T, I>

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type RuntimeCall = Call<T, I>

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impl<T, I> Clone for Pallet<T, I>

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fn clone(&self) -> Self

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<T, I> Debug for Pallet<T, I>

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

Formats the value using the given formatter. Read more
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impl<T: Config<I>, I: 'static> GetStorageVersion for Pallet<T, I>

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type InCodeStorageVersion = NoStorageVersionSet

This type is generated by the pallet macro. Read more
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fn in_code_storage_version() -> Self::InCodeStorageVersion

Returns the in-code storage version as specified in the storage_version attribute, or [NoStorageVersionSet] if the attribute is missing.
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fn on_chain_storage_version() -> StorageVersion

Returns the storage version of the pallet as last set in the actual on-chain storage.
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fn current_storage_version() -> Self::InCodeStorageVersion

👎Deprecated: This method has been renamed to in_code_storage_version and will be removed after March 2024.
DEPRECATED: Use [Self::current_storage_version] instead. Read more
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impl<T: Config<I>, I: 'static> Hooks<<<<T as Config>::Block as HeaderProvider>::HeaderT as Header>::Number> for Pallet<T, I>

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fn on_initialize(_n: BlockNumberFor<T>) -> Weight

Block initialization hook. This is called at the very beginning of block execution. Read more
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fn on_finalize(_n: BlockNumberFor<T>)

Block finalization hook. This is called at the very end of block execution. Read more
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fn on_idle(_n: BlockNumber, _remaining_weight: Weight) -> Weight

Hook to consume a block’s idle time. This will run when the block is being finalized (before [Hooks::on_finalize]). Read more
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fn on_poll(_n: BlockNumber, _weight: &mut WeightMeter)

A hook to run logic after inherent application. Read more
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fn on_runtime_upgrade() -> Weight

Hook executed when a code change (aka. a “runtime upgrade”) is detected by the FRAME Executive pallet. Read more
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fn try_state(_n: BlockNumber) -> Result<(), DispatchError>

Execute the sanity checks of this pallet, per block. Read more
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fn pre_upgrade() -> Result<Vec<u8>, DispatchError>

Execute some pre-checks prior to a runtime upgrade. Read more
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fn post_upgrade(_state: Vec<u8>) -> Result<(), DispatchError>

Execute some post-checks after a runtime upgrade. Read more
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fn offchain_worker(_n: BlockNumber)

Implementing this function on a pallet allows you to perform long-running tasks that are dispatched as separate threads, and entirely independent of the main blockchain execution. Read more
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fn integrity_test()

Check the integrity of this pallet’s configuration. Read more
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impl<T: Config<I>, I: 'static> IntegrityTest for Pallet<T, I>

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fn integrity_test()

See [Hooks::integrity_test].
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impl<T: Config<I>, I: 'static> OffchainWorker<<<<T as Config>::Block as HeaderProvider>::HeaderT as Header>::Number> for Pallet<T, I>

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fn offchain_worker(n: BlockNumberFor<T>)

This function is being called after every block import (when fully synced). Read more
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impl<T: Config<I>, I: 'static> OnFinalize<<<<T as Config>::Block as HeaderProvider>::HeaderT as Header>::Number> for Pallet<T, I>

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fn on_finalize(n: BlockNumberFor<T>)

See [Hooks::on_finalize].
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impl<T: Config<I>, I: 'static> OnGenesis for Pallet<T, I>

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fn on_genesis()

Something that should happen at genesis.
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impl<T: Config<I>, I: 'static> OnIdle<<<<T as Config>::Block as HeaderProvider>::HeaderT as Header>::Number> for Pallet<T, I>

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fn on_idle(n: BlockNumberFor<T>, remaining_weight: Weight) -> Weight

See [Hooks::on_idle].
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impl<T: Config<I>, I: 'static> OnInitialize<<<<T as Config>::Block as HeaderProvider>::HeaderT as Header>::Number> for Pallet<T, I>

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fn on_initialize(n: BlockNumberFor<T>) -> Weight

See [Hooks::on_initialize].
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impl<T: Config<I>, I: 'static> OnPoll<<<<T as Config>::Block as HeaderProvider>::HeaderT as Header>::Number> for Pallet<T, I>

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fn on_poll(n: BlockNumberFor<T>, weight: &mut WeightMeter)

Code to execute every now and then at the beginning of the block after inherent application. Read more
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impl<T: Config<I>, I: 'static> OnRuntimeUpgrade for Pallet<T, I>

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fn on_runtime_upgrade() -> Weight

See [Hooks::on_runtime_upgrade].
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fn pre_upgrade() -> Result<Vec<u8>, TryRuntimeError>

See [Hooks::pre_upgrade].
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fn post_upgrade(state: Vec<u8>) -> Result<(), TryRuntimeError>

See [Hooks::post_upgrade].
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fn try_on_runtime_upgrade(checks: bool) -> Result<Weight, DispatchError>

The expected and default behavior of this method is to handle executing pre_upgrade -> on_runtime_upgrade -> post_upgrade hooks for a migration. Read more
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impl<T: Config<I>, I: 'static> OwnedBridgeModule<T> for Pallet<T, I>

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const LOG_TARGET: &'static str = LOG_TARGET

The target that will be used when publishing logs related to this module.
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type OwnerStorage = StorageValue<_GeneratedPrefixForStoragePalletOwner<T, I>, <T as Config>::AccountId>

A storage entry that holds the module Owner account.
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type OperatingMode = BasicOperatingMode

Operating mode type of the pallet.
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type OperatingModeStorage = StorageValue<_GeneratedPrefixForStoragePalletOperatingMode<T, I>, BasicOperatingMode, ValueQuery>

A storage value that holds the pallet operating mode.
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fn is_halted() -> bool

Check if the module is halted.
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fn ensure_owner_or_root( origin: <T as Config>::RuntimeOrigin, ) -> Result<(), BadOrigin>

Ensure that the origin is either root, or PalletOwner.
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fn ensure_not_halted() -> Result<(), OwnedBridgeModuleError>

Ensure that the module is not halted.
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fn set_owner( origin: <T as Config>::RuntimeOrigin, maybe_owner: Option<<T as Config>::AccountId>, ) -> Result<(), DispatchError>

Change the owner of the module.
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fn set_operating_mode( origin: <T as Config>::RuntimeOrigin, operating_mode: Self::OperatingMode, ) -> Result<(), DispatchError>

Halt or resume all/some module operations.
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impl<T: Config<I>, I: 'static> PalletInfoAccess for Pallet<T, I>

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fn index() -> usize

Index of the pallet as configured in the runtime.
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fn name() -> &'static str

Name of the pallet as configured in the runtime.
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fn name_hash() -> [u8; 16]

Two128 hash of name.
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fn module_name() -> &'static str

Name of the Rust module containing the pallet.
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fn crate_version() -> CrateVersion

Version of the crate containing the pallet.
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impl<T: Config<I>, I: 'static> PalletsInfoAccess for Pallet<T, I>

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fn count() -> usize

The number of pallets’ information that this type represents. Read more
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fn infos() -> Vec<PalletInfoData>

All of the pallets’ information that this type represents.
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impl<T, I> PartialEq for Pallet<T, I>

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fn eq(&self, other: &Self) -> 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<T: Config<I>, I: 'static> StorageInfoTrait for Pallet<T, I>

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fn storage_info() -> Vec<StorageInfo>

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impl<T: Config<I>, I: 'static> TryDecodeEntireStorage for Pallet<T, I>

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fn try_decode_entire_state() -> Result<usize, Vec<TryDecodeEntireStorageError>>

Decode the entire data under the given storage, returning Ok(bytes_decoded) if success.
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impl<T: Config<I>, I: 'static> TryState<<<<T as Config>::Block as HeaderProvider>::HeaderT as Header>::Number> for Pallet<T, I>

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fn try_state( n: BlockNumberFor<T>, _s: TryStateSelect, ) -> Result<(), TryRuntimeError>

Execute the state checks.
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impl<T: Config<I>, I: 'static> WhitelistedStorageKeys for Pallet<T, I>

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fn whitelisted_storage_keys() -> Vec<TrackedStorageKey>

Returns a Vec<TrackedStorageKey> indicating the storage keys that should be whitelisted during benchmarking. This means that those keys will be excluded from the benchmarking performance calculation.
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impl<T, I> Eq for Pallet<T, I>

Auto Trait Implementations§

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impl<T, I> Freeze for Pallet<T, I>

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impl<T, I> RefUnwindSafe for Pallet<T, I>

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impl<T, I> Send for Pallet<T, I>
where T: Send, I: Send,

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impl<T, I> Sync for Pallet<T, I>
where T: Sync, I: Sync,

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impl<T, I> Unpin for Pallet<T, I>
where T: Unpin, I: Unpin,

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impl<T, I> UnwindSafe for Pallet<T, I>
where T: UnwindSafe, I: UnwindSafe,

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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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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fn checked_from<T>(t: T) -> Option<Self>
where Self: TryFrom<T>,

Convert from a value of T into an equivalent instance of Option<Self>. Read more
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where Self: TryInto<T>,

Consume self to return Some equivalent value of Option<T>. 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> Conv for T

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fn conv<T>(self) -> T
where Self: Into<T>,

Converts self into T using Into<T>. Read more
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fn __clone_box(&self, _: Private) -> *mut ()

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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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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<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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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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where Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.
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Causes self to use its Display implementation when Debug-formatted.
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Causes self to use its LowerExp implementation when Debug-formatted.
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Returns the argument unchanged.

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Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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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> 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> 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<T, U> TryIntoKey<U> for T
where U: TryFromKey<T>,

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type Error = <U as TryFromKey<T>>::Error

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fn try_into_key(self) -> Result<U, <U as TryFromKey<T>>::Error>

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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

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impl<T> MaybeDebug for T
where T: Debug,

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impl<T> MaybeRefUnwindSafe for T
where T: RefUnwindSafe,

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impl<T> MaybeRefUnwindSafe for T
where T: RefUnwindSafe,

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impl<T> Member for T
where T: Send + Sync + Debug + Eq + PartialEq + Clone + 'static,

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impl<T> Scalar for T
where T: 'static + Clone + PartialEq + Debug,