Struct pallet_contracts::pallet::Pallet

impl<T: Config> Pallet<T>
where <<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type: Clone + Eq + PartialEq + Debug + TypeInfo + Encode,

pub fn call_old_weight( origin: OriginFor<T>, dest: <<T as Config>::Lookup as StaticLookup>::Source, value: <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance, gas_limit: u64, storage_deposit_limit: Option<<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type>, data: Vec<u8> ) -> DispatchResultWithPostInfo

👎Deprecated: 1D weight is used in this extrinsic, please migrate to call

Deprecated version if Self::call for use in an in-storage Call.

pub fn instantiate_with_code_old_weight( origin: OriginFor<T>, value: <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance, gas_limit: u64, storage_deposit_limit: Option<<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type>, code: Vec<u8>, data: Vec<u8>, salt: Vec<u8> ) -> DispatchResultWithPostInfo

👎Deprecated: 1D weight is used in this extrinsic, please migrate to instantiate_with_code

Deprecated version if Self::instantiate_with_code for use in an in-storage Call.

pub fn instantiate_old_weight( origin: OriginFor<T>, value: <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance, gas_limit: u64, storage_deposit_limit: Option<<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type>, code_hash: <T as Config>::Hash, data: Vec<u8>, salt: Vec<u8> ) -> DispatchResultWithPostInfo

👎Deprecated: 1D weight is used in this extrinsic, please migrate to instantiate

Deprecated version if Self::instantiate for use in an in-storage Call.

pub fn upload_code( origin: OriginFor<T>, code: Vec<u8>, storage_deposit_limit: Option<<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type>, determinism: Determinism ) -> DispatchResult

Upload new code without instantiating a contract from it.

If the code does not already exist a deposit is reserved from the caller and unreserved only when Self::remove_code is called. The size of the reserve depends on the size of the supplied code.

If the code already exists in storage it will still return Ok and upgrades the in storage version to the current InstructionWeights::version.

determinism: If this is set to any other value but Determinism::Enforced then the only way to use this code is to delegate call into it from an offchain execution. Set to Determinism::Enforced if in doubt.

§Note

Anyone can instantiate a contract from any uploaded code and thus prevent its removal. To avoid this situation a constructor could employ access control so that it can only be instantiated by permissioned entities. The same is true when uploading through Self::instantiate_with_code.

Use Determinism::Relaxed exclusively for non-deterministic code. If the uploaded code is deterministic, specifying Determinism::Relaxed will be disregarded and result in higher gas costs.

pub fn remove_code( origin: OriginFor<T>, code_hash: <T as Config>::Hash ) -> DispatchResultWithPostInfo

Remove the code stored under code_hash and refund the deposit to its owner.

A code can only be removed by its original uploader (its owner) and only if it is not used by any contract.

pub fn set_code( origin: OriginFor<T>, dest: <<T as Config>::Lookup as StaticLookup>::Source, code_hash: <T as Config>::Hash ) -> DispatchResult

Privileged function that changes the code of an existing contract.

This takes care of updating refcounts and all other necessary operations. Returns an error if either the code_hash or dest do not exist.

§Note

This does not change the address of the contract in question. This means that the contract address is no longer derived from its code hash after calling this dispatchable.

pub fn call( origin: OriginFor<T>, dest: <<T as Config>::Lookup as StaticLookup>::Source, value: <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance, gas_limit: Weight, storage_deposit_limit: Option<<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type>, data: Vec<u8> ) -> DispatchResultWithPostInfo

Makes a call to an account, optionally transferring some balance.

§Parameters

dest: Address of the contract to call.
value: The balance to transfer from the origin to dest.
gas_limit: The gas limit enforced when executing the constructor.
storage_deposit_limit: The maximum amount of balance that can be charged from the caller to pay for the storage consumed.
data: The input data to pass to the contract.
If the account is a smart-contract account, the associated code will be executed and any value will be transferred.
If the account is a regular account, any value will be transferred.
If no account exists and the call value is not less than existential_deposit, a regular account will be created and any value will be transferred.

pub fn instantiate_with_code( origin: OriginFor<T>, value: <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance, gas_limit: Weight, storage_deposit_limit: Option<<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type>, code: Vec<u8>, data: Vec<u8>, salt: Vec<u8> ) -> DispatchResultWithPostInfo

Instantiates a new contract from the supplied code optionally transferring some balance.

This dispatchable has the same effect as calling Self::upload_code + Self::instantiate. Bundling them together provides efficiency gains. Please also check the documentation of Self::upload_code.

§Parameters

value: The balance to transfer from the origin to the newly created contract.
gas_limit: The gas limit enforced when executing the constructor.
storage_deposit_limit: The maximum amount of balance that can be charged/reserved from the caller to pay for the storage consumed.
code: The contract code to deploy in raw bytes.
data: The input data to pass to the contract constructor.
salt: Used for the address derivation. See Pallet::contract_address.

Instantiation is executed as follows:

The supplied code is deployed, and a code_hash is created for that code.
If the code_hash already exists on the chain the underlying code will be shared.
The destination address is computed based on the sender, code_hash and the salt.
The smart-contract account is created at the computed address.
The value is transferred to the new account.
The deploy function is executed in the context of the newly-created account.

pub fn instantiate( origin: OriginFor<T>, value: <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance, gas_limit: Weight, storage_deposit_limit: Option<<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type>, code_hash: <T as Config>::Hash, data: Vec<u8>, salt: Vec<u8> ) -> DispatchResultWithPostInfo

Instantiates a contract from a previously deployed wasm binary.

This function is identical to Self::instantiate_with_code but without the code deployment step. Instead, the code_hash of an on-chain deployed wasm binary must be supplied.

pub fn migrate( origin: OriginFor<T>, weight_limit: Weight ) -> DispatchResultWithPostInfo

When a migration is in progress, this dispatchable can be used to run migration steps. Calls that contribute to advancing the migration have their fees waived, as it’s helpful for the chain. Note that while the migration is in progress, the pallet will also leverage the on_idle hooks to run migration steps.

impl<T: Config> Pallet<T>

pub fn bare_call( origin: T::AccountId, dest: T::AccountId, value: <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance, gas_limit: Weight, storage_deposit_limit: Option<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance>, data: Vec<u8>, debug: DebugInfo, collect_events: CollectEvents, determinism: Determinism ) -> ContractExecResult<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance, EventRecord<<T as Config>::RuntimeEvent, <T as Config>::Hash>>

Perform a call to a specified contract.

This function is similar to Self::call, but doesn’t perform any address lookups and better suitable for calling directly from Rust.

§Note

If debug is set to DebugInfo::UnsafeDebug it returns additional human readable debugging information.

If collect_events is set to CollectEvents::UnsafeCollect it collects all the Events emitted in the block so far and the ones emitted during the execution of this contract.

pub fn bare_instantiate( origin: T::AccountId, value: <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance, gas_limit: Weight, storage_deposit_limit: Option<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance>, code: Code<<T as Config>::Hash>, data: Vec<u8>, salt: Vec<u8>, debug: DebugInfo, collect_events: CollectEvents ) -> ContractInstantiateResult<T::AccountId, <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance, EventRecord<<T as Config>::RuntimeEvent, <T as Config>::Hash>>

Instantiate a new contract.

This function is similar to Self::instantiate, but doesn’t perform any address lookups and better suitable for calling directly from Rust.

It returns the execution result, account id and the amount of used weight.

§Note

If debug is set to DebugInfo::UnsafeDebug it returns additional human readable debugging information.

If collect_events is set to CollectEvents::UnsafeCollect it collects all the Events emitted in the block so far.

pub fn bare_upload_code( origin: T::AccountId, code: Vec<u8>, storage_deposit_limit: Option<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance>, determinism: Determinism ) -> CodeUploadResult<<T as Config>::Hash, <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance>

Upload new code without instantiating a contract from it.

This function is similar to Self::upload_code, but doesn’t perform any address lookups and better suitable for calling directly from Rust.

pub fn get_storage(address: T::AccountId, key: Vec<u8>) -> GetStorageResult

Query storage of a specified contract under a specified key.

pub fn contract_address( deploying_address: &T::AccountId, code_hash: &<T as Config>::Hash, input_data: &[u8], salt: &[u8] ) -> T::AccountId

Determine the address of a contract.

This is the address generation function used by contract instantiation. See DefaultAddressGenerator for the default implementation.

pub fn code_hash( account: &<T as Config>::AccountId ) -> Option<<T as Config>::Hash>

Returns the code hash of the contract specified by account ID.

Trait Implementations§

impl<T: Config> BeforeAllRuntimeMigrations for Pallet<T>

fn before_all_runtime_migrations() -> Weight

Something that should happen before runtime migrations are executed.

impl<T> Benchmarking for Pallet<T>
where T: Config + Config + Config, <<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type: Clone + Eq + PartialEq + Debug + TypeInfo + Encode, <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance: From<<Pallet<T> as Currency<T::AccountId>>::Balance>, <Pallet<T> as Currency<T::AccountId>>::Balance: From<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance>,

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

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.

impl<T: Config> Callable<T> for Pallet<T>
where <<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type: Clone + Eq + PartialEq + Debug + TypeInfo + Encode,

type RuntimeCall = Call<T>

impl<T> Clone for Pallet<T>

fn clone(&self) -> Self

Returns a copy of the value. Read more

1.0.0 · source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl<T> Debug for Pallet<T>

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

Formats the value using the given formatter. Read more

impl<T: Config> GetStorageVersion for Pallet<T>

type InCodeStorageVersion = StorageVersion

This type is generated by the pallet macro. Read more

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.

fn on_chain_storage_version() -> StorageVersion

Returns the storage version of the pallet as last set in the actual on-chain storage.

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

fn on_idle(_block: BlockNumberFor<T>, limit: 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

fn integrity_test()

Check the integrity of this pallet’s configuration. Read more

fn on_initialize(_n: BlockNumber) -> Weight

Block initialization hook. This is called at the very beginning of block execution. Read more

fn on_finalize(_n: BlockNumber)

Block finalization hook. This is called at the very end of block execution. Read more

fn on_poll(_n: BlockNumber, _weight: &mut WeightMeter)

A hook to run logic after inherent application. Read more

fn on_runtime_upgrade() -> Weight

Hook executed when a code change (aka. a “runtime upgrade”) is detected by the FRAME Executive pallet. Read more

fn try_state(_n: BlockNumber) -> Result<(), DispatchError>

Execute the sanity checks of this pallet, per block. Read more

fn pre_upgrade() -> Result<Vec<u8>, DispatchError>

Execute some pre-checks prior to a runtime upgrade. Read more

fn post_upgrade(_state: Vec<u8>) -> Result<(), DispatchError>

Execute some post-checks after a runtime upgrade. Read more

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

impl<T: Config> IntegrityTest for Pallet<T>

fn integrity_test()

See [Hooks::integrity_test].

fn offchain_worker(n: BlockNumberFor<T>)

This function is being called after every block import (when fully synced). Read more

fn on_finalize(n: BlockNumberFor<T>)

See [Hooks::on_finalize].

impl<T: Config> OnGenesis for Pallet<T>

fn on_genesis()

Something that should happen at genesis.

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

See [Hooks::on_idle].

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

See [Hooks::on_initialize].

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

impl<T: Config> OnRuntimeUpgrade for Pallet<T>

fn on_runtime_upgrade() -> Weight

See [Hooks::on_runtime_upgrade].

fn pre_upgrade() -> Result<Vec<u8>, TryRuntimeError>

See [Hooks::pre_upgrade].

fn post_upgrade(state: Vec<u8>) -> Result<(), TryRuntimeError>

See [Hooks::post_upgrade].

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

impl<T: Config> PalletInfoAccess for Pallet<T>

fn index() -> usize

Index of the pallet as configured in the runtime.

fn name() -> &'static str

Name of the pallet as configured in the runtime.

fn name_hash() -> [u8; 16]

Two128 hash of name.

fn module_name() -> &'static str

Name of the Rust module containing the pallet.

fn crate_version() -> CrateVersion

Version of the crate containing the pallet.

impl<T: Config> PalletsInfoAccess for Pallet<T>

fn count() -> usize

The number of pallets’ information that this type represents. Read more

fn infos() -> Vec<PalletInfoData>

All of the pallets’ information that this type represents.

impl<T> PartialEq for Pallet<T>

fn eq(&self, other: &Self) -> bool

This method tests for self and other values to be equal, and is used by ==.

1.0.0 · source§

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.

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

Decode the entire data under the given storage, returning Ok(bytes_decoded) if success.

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

Execute the state checks.

impl<T: Config> WhitelistedStorageKeys for Pallet<T>

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.

impl<T> Eq for Pallet<T>

Auto Trait Implementations§

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

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

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

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

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

Blanket Implementations§

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

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Gets the TypeId of self. Read more

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where T: ?Sized,

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Immutably borrows from an owned value. Read more

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Mutably borrows from an owned value. Read more

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

Converts self into T using Into<T>. Read more

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Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.

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Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.

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Compare self to key and return true if they are equal.

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

Checks if this value is equivalent to the given key. Read more

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Compare self to key and return true if they are equal.

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Causes self to use its Binary implementation when Debug-formatted.

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Formats each item in a sequence. Read more

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impl<T> Instrument for T

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const ALIGN: usize = _

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type Init = T

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unsafe fn init(init: <T as Pointable>::Init) -> usize

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The inverse inclusion map: attempts to construct self from the equivalent element of its superset. Read more

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Mutable access to the AsMut<R> view of a value. Read more

fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Self
where Self: Deref<Target = T>, T: ?Sized,

Immutable access to the Deref::Target of a value. Read more

fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

Mutable access to the Deref::Target of a value. Read more

fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self

Calls .tap() only in debug builds, and is erased in release builds.

fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self

Calls .tap_mut() only in debug builds, and is erased in release builds.

fn tap_borrow_dbg(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow, B: ?Sized,

Calls .tap_borrow() only in debug builds, and is erased in release builds.

fn tap_borrow_mut_dbg(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut, B: ?Sized,

Calls .tap_borrow_mut() only in debug builds, and is erased in release builds.

fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self
where Self: AsRef<R>, R: ?Sized,

Calls .tap_ref() only in debug builds, and is erased in release builds.

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.

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.

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.

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T> TryConv for T

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

Attempts to convert self into T using TryInto<T>. Read more

impl<T, U> TryFrom for T
where U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

impl<T, U> TryInto for T
where U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

impl<T, U> TryIntoKey for T
where U: TryFromKey<T>,

type Error = >::Error

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

impl<S, T> UncheckedInto<T> for S
where T: UncheckedFrom<S>,

fn unchecked_into(self) -> T

The counterpart to unchecked_from.

impl<T, S> UniqueSaturatedInto<T> for S
where T: Bounded, S: TryInto<T>,

fn unique_saturated_into(self) -> T

Consume self to return an equivalent value of T.

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

fn vzip(self) -> V

impl<T> WithSubscriber for T

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

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more

impl<T> JsonSchemaMaybe for T

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

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

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

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