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pallet_contracts::pallet

Enum Call

Source 
pub enum Call<T: Config>
where
    <<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type: Clone + Eq + PartialEq + Debug + TypeInfo + Encode,
{
    call_old_weight {
        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>,
    },
    instantiate_with_code_old_weight {
        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>,
    },
    instantiate_old_weight {
        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>,
    },
    upload_code {
        code: Vec<u8>,
        storage_deposit_limit: Option<<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type>,
        determinism: Determinism,
    },
    remove_code {
        code_hash: <T as Config>::Hash,
    },
    set_code {
        dest: <<T as Config>::Lookup as StaticLookup>::Source,
        code_hash: <T as Config>::Hash,
    },
    call {
        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>,
    },
    instantiate_with_code {
        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>,
    },
    instantiate {
        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>,
    },
    migrate {
        weight_limit: Weight,
    },
    // some variants omitted
}
Expand description

Contains a variant per dispatchable extrinsic that this pallet has.

Variants§

§

call_old_weight

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

Fields

§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>
§

instantiate_with_code_old_weight

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

Fields

§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>
§

instantiate_old_weight

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

Fields

§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>
§

upload_code

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.

§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.

Fields

§code: Vec<u8>
§storage_deposit_limit: Option<<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type>
§determinism: Determinism
§

remove_code

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.

Fields

§code_hash: <T as Config>::Hash
§

set_code

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.

Fields

§dest: <<T as Config>::Lookup as StaticLookup>::Source
§code_hash: <T as Config>::Hash
§

call

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.

Fields

§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>
§

instantiate_with_code

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.

Fields

§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>
§

instantiate

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.

Fields

§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>
§

migrate

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.

Fields

§weight_limit: Weight

Implementations§

Source§

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

Source

pub fn new_call_variant_call_old_weight( 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>, ) -> Self

Create a call with the variant call_old_weight.

Source

pub fn new_call_variant_instantiate_with_code_old_weight( 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>, ) -> Self

Create a call with the variant instantiate_with_code_old_weight.

Source

pub fn new_call_variant_instantiate_old_weight( 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>, ) -> Self

Create a call with the variant instantiate_old_weight.

Source

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

Create a call with the variant upload_code.

Source

pub fn new_call_variant_remove_code(code_hash: <T as Config>::Hash) -> Self

Create a call with the variant remove_code.

Source

pub fn new_call_variant_set_code( dest: <<T as Config>::Lookup as StaticLookup>::Source, code_hash: <T as Config>::Hash, ) -> Self

Create a call with the variant set_code.

Source

pub fn new_call_variant_call( 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>, ) -> Self

Create a call with the variant call.

Source

pub fn new_call_variant_instantiate_with_code( 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>, ) -> Self

Create a call with the variant instantiate_with_code.

Source

pub fn new_call_variant_instantiate( 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>, ) -> Self

Create a call with the variant instantiate.

Source

pub fn new_call_variant_migrate(weight_limit: Weight) -> Self

Create a call with the variant migrate.

Trait Implementations§

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

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fn authorize( &self, source: TransactionSource, ) -> Option<Result<(ValidTransaction, Weight), TransactionValidityError>>

The authorize function. Read more
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fn weight_of_authorize(&self) -> Weight

The weight of the authorization function.
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impl<T: Config> CheckIfFeeless for Call<T>
where <<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type: Clone + Eq + PartialEq + Debug + TypeInfo + Encode,

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type Origin = <T as Config>::RuntimeOrigin

The Origin type of the runtime.
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fn is_feeless(&self, origin: &Self::Origin) -> bool

Checks if the dispatchable satisfies the feeless condition as defined by #[pallet::feeless_if]
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impl<T: Config> Clone for Call<T>
where <<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type: Clone + Eq + PartialEq + Debug + TypeInfo + Encode,

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

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

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fn decode<__CodecInputEdqy: Input>( __codec_input_edqy: &mut __CodecInputEdqy, ) -> Result<Self, Error>

Attempt to deserialise the value from input.
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fn decode_into<I>( input: &mut I, dst: &mut MaybeUninit<Self>, ) -> Result<DecodeFinished, Error>
where I: Input,

Attempt to deserialize the value from input into a pre-allocated piece of memory. Read more
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fn skip<I>(input: &mut I) -> Result<(), Error>
where I: Input,

Attempt to skip the encoded value from input. Read more
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fn encoded_fixed_size() -> Option<usize>

Returns the fixed encoded size of the type. Read more
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impl<T: Config> Encode for Call<T>
where <<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type: Clone + Eq + PartialEq + Debug + TypeInfo + Encode,

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fn size_hint(&self) -> usize

If possible give a hint of expected size of the encoding. Read more
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fn encode_to<__CodecOutputEdqy: Output + ?Sized>( &self, __codec_dest_edqy: &mut __CodecOutputEdqy, )

Convert self to a slice and append it to the destination.
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fn encode(&self) -> Vec<u8> ⓘ

Convert self to an owned vector.
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fn using_encoded<R, F>(&self, f: F) -> R
where F: FnOnce(&[u8]) -> R,

Convert self to a slice and then invoke the given closure with it.
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fn encoded_size(&self) -> usize

Calculates the encoded size. Read more
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impl<T: Config> GetCallIndex for Call<T>
where <<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type: Clone + Eq + PartialEq + Debug + TypeInfo + Encode,

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fn get_call_index(&self) -> u8

Return the index of this Call.
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fn get_call_indices() -> &'static [u8] ⓘ

Return all call indices in the same order as [GetCallName].
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impl<T: Config> GetCallName for Call<T>
where <<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type: Clone + Eq + PartialEq + Debug + TypeInfo + Encode,

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fn get_call_name(&self) -> &'static str

Return the function name of the Call.
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fn get_call_names() -> &'static [&'static str]

Return all function names in the same order as [GetCallIndex].
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impl<T: Config> GetDispatchInfo for Call<T>
where <<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type: Clone + Eq + PartialEq + Debug + TypeInfo + Encode,

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fn get_dispatch_info(&self) -> DispatchInfo

Return a DispatchInfo, containing relevant information of this dispatch. Read more
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impl<T: Config> PartialEq for Call<T>
where <<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type: Clone + Eq + PartialEq + Debug + TypeInfo + Encode,

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

Tests for self and other values to be equal, and is used by ==.
1.0.0 · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<T> TypeInfo for Call<T>
where <<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type: Clone + Eq + PartialEq + Debug + TypeInfo + Encode, PhantomData<(T,)>: TypeInfo + 'static, <<T as Config>::Lookup as StaticLookup>::Source: TypeInfo + 'static, <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance: HasCompact, Option<<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type>: TypeInfo + 'static, <T as Config>::Hash: TypeInfo + 'static, T: Config + 'static,

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type Identity = Call<T>

The type identifying for which type info is provided. Read more
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fn type_info() -> Type

Returns the static type identifier for Self.
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impl<T: Config> UnfilteredDispatchable for Call<T>
where <<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type: Clone + Eq + PartialEq + Debug + TypeInfo + Encode,

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type RuntimeOrigin = <T as Config>::RuntimeOrigin

The origin type of the runtime, (i.e. frame_system::Config::RuntimeOrigin).
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fn dispatch_bypass_filter( self, origin: Self::RuntimeOrigin, ) -> DispatchResultWithPostInfo

Dispatch this call but do not check the filter in origin.
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impl<T: Config> DecodeWithMemTracking for Call<T>
where <<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type: Clone + Eq + PartialEq + Debug + TypeInfo + Encode, <<T as Config>::Lookup as StaticLookup>::Source: DecodeWithMemTracking, Option<<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type>: DecodeWithMemTracking, <T as Config>::Hash: DecodeWithMemTracking, <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance: HasCompact, <<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type: DecodeWithMemTracking,

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

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

Auto Trait Implementations§

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impl<T> Freeze for Call<T>
where <<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type: Sized + Freeze, <T as Config>::RuntimeEvent: Sized, <<T as Config>::Lookup as StaticLookup>::Source: Freeze, <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance: Freeze, <T as Config>::Hash: Freeze,

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impl<T> RefUnwindSafe for Call<T>
where <<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type: Sized + RefUnwindSafe, <T as Config>::RuntimeEvent: Sized, <<T as Config>::Lookup as StaticLookup>::Source: RefUnwindSafe, <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance: RefUnwindSafe, <T as Config>::Hash: RefUnwindSafe, T: RefUnwindSafe,

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impl<T> Send for Call<T>
where <<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type: Sized + Send, <T as Config>::RuntimeEvent: Sized, <<T as Config>::Lookup as StaticLookup>::Source: Send, T: Send,

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impl<T> Sync for Call<T>
where <<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type: Sized + Sync, <T as Config>::RuntimeEvent: Sized, <<T as Config>::Lookup as StaticLookup>::Source: Sync, T: Sync,

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impl<T> Unpin for Call<T>
where <<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type: Sized + Unpin, <T as Config>::RuntimeEvent: Sized, <<T as Config>::Lookup as StaticLookup>::Source: Unpin, <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance: Unpin, <T as Config>::Hash: Unpin, T: Unpin,

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impl<T> UnwindSafe for Call<T>
where <<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type: Sized + UnwindSafe, <T as Config>::RuntimeEvent: Sized, <<T as Config>::Lookup as StaticLookup>::Source: UnwindSafe, <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance: UnwindSafe, <T as Config>::Hash: UnwindSafe, T: UnwindSafe,

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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> CheckedConversion for T

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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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fn checked_into<T>(self) -> Option<T>
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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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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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impl<T> DecodeAll for T
where T: Decode,

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fn decode_all(input: &mut &[u8]) -> Result<T, Error>

Decode Self and consume all of the given input data. Read more
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impl<T> DecodeLimit for T
where T: Decode,

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fn decode_all_with_depth_limit( limit: u32, input: &mut &[u8], ) -> Result<T, Error>

Decode Self and consume all of the given input data. Read more
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fn decode_with_depth_limit<I>(limit: u32, input: &mut I) -> Result<T, Error>
where I: Input,

Decode Self with the given maximum recursion depth and advance input by the number of bytes consumed. Read more
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impl<T> DecodeWithMemLimit for T
where T: DecodeWithMemTracking,

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fn decode_with_mem_limit<I>(input: &mut I, mem_limit: usize) -> Result<T, Error>
where I: Input,

Decode Self with the given maximum memory limit and advance input by the number of bytes consumed. Read more
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impl<T, U> DefensiveTruncateInto<U> for T
where U: DefensiveTruncateFrom<T>,

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fn defensive_truncate_into(self) -> U

Defensively truncate a value and convert it into its bounded form.
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impl<T> Downcast for T
where T: Any,

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fn into_any(self: Box<T>) -> Box<dyn Any>

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait.
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fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

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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fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
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impl<T> DowncastSync for T
where T: Any + Send + Sync,

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fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Send + Sync>

Convert Arc<Trait> (where Trait: Downcast) to Arc<Any>. Arc<Any> can then be further downcast into Arc<ConcreteType> where ConcreteType implements Trait.
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impl<T> DynClone for T
where T: Clone,

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fn __clone_box(&self, _: Private) -> *mut ()

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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<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

Checks if this value is equivalent to the given key. Read more
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impl<T> FmtForward for T

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fn fmt_binary(self) -> FmtBinary<Self>
where Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.
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fn fmt_display(self) -> FmtDisplay<Self>
where Self: Display,

Causes self to use its Display implementation when Debug-formatted.
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fn fmt_lower_exp(self) -> FmtLowerExp<Self>
where Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted.
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fn fmt_lower_hex(self) -> FmtLowerHex<Self>
where Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted.
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fn fmt_octal(self) -> FmtOctal<Self>
where Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.
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fn fmt_pointer(self) -> FmtPointer<Self>
where Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted.
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fn fmt_upper_exp(self) -> FmtUpperExp<Self>
where Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted.
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fn fmt_upper_hex(self) -> FmtUpperHex<Self>
where Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted.
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fn fmt_list(self) -> FmtList<Self>
where &'a Self: for<'a> IntoIterator,

Formats each item in a sequence. 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> Hashable for T
where T: Codec,

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fn blake2_128(&self) -> [u8; 16]

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fn blake2_256(&self) -> [u8; 32]

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fn blake2_128_concat(&self) -> Vec<u8> ⓘ

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fn twox_128(&self) -> [u8; 16]

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fn twox_256(&self) -> [u8; 32]

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fn twox_64_concat(&self) -> Vec<u8> ⓘ

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fn identity(&self) -> Vec<u8> ⓘ

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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<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

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 into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T, U> IntoKey<U> for T
where U: FromKey<T>,

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fn into_key(self) -> U

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impl<Src, Dest> IntoTuple<Dest> for Src
where Dest: FromTuple<Src>,

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fn into_tuple(self) -> Dest

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impl<T> IsType<T> for T

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fn from_ref(t: &T) -> &T

Cast reference.
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fn into_ref(&self) -> &T

Cast reference.
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fn from_mut(t: &mut T) -> &mut T

Cast mutable reference.
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fn into_mut(&mut self) -> &mut T

Cast mutable reference.
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impl<T, Outer> IsWrappedBy<Outer> for T
where Outer: AsRef<T> + AsMut<T> + From<T>, T: From<Outer>,

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fn from_ref(outer: &Outer) -> &T

Get a reference to the inner from the outer.

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fn from_mut(outer: &mut Outer) -> &mut T

Get a mutable reference to the inner from the outer.

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impl<T> KeyedVec for T
where T: Codec,

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fn to_keyed_vec(&self, prepend_key: &[u8]) -> Vec<u8> ⓘ

Return an encoding of Self prepended by given slice.
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impl<T> Pipe for T
where T: ?Sized,

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fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R
where Self: Sized,

Pipes by value. This is generally the method you want to use. Read more
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fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R
where R: 'a,

Borrows self and passes that borrow into the pipe function. Read more
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fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> R
where R: 'a,

Mutably borrows self and passes that borrow into the pipe function. Read more
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fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> R
where Self: Borrow<B>, B: 'a + ?Sized, R: 'a,

Borrows self, then passes self.borrow() into the pipe function. Read more
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fn pipe_borrow_mut<'a, B, R>( &'a mut self, func: impl FnOnce(&'a mut B) -> R, ) -> R
where Self: BorrowMut<B>, B: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.borrow_mut() into the pipe function. Read more
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fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> R
where Self: AsRef<U>, U: 'a + ?Sized, R: 'a,

Borrows self, then passes self.as_ref() into the pipe function.
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fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> R
where Self: AsMut<U>, U: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.as_mut() into the pipe function.
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fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R
where Self: Deref<Target = T>, T: 'a + ?Sized, R: 'a,

Borrows self, then passes self.deref() into the pipe function.
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fn pipe_deref_mut<'a, T, R>( &'a mut self, func: impl FnOnce(&'a mut T) -> R, ) -> R
where Self: DerefMut<Target = T> + Deref, T: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.deref_mut() into the pipe function.
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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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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> SaturatedConversion for T

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fn saturated_from<T>(t: T) -> Self
where Self: UniqueSaturatedFrom<T>,

Convert from a value of T into an equivalent instance of Self. Read more
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fn saturated_into<T>(self) -> T
where Self: UniqueSaturatedInto<T>,

Consume self to return an equivalent value of T. Read more
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impl<SS, SP> SupersetOf<SS> for SP
where SS: SubsetOf<SP>,

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fn to_subset(&self) -> Option<SS>

The inverse inclusion map: attempts to construct self from the equivalent element of its superset. Read more
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fn is_in_subset(&self) -> bool

Checks if self is actually part of its subset T (and can be converted to it).
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fn to_subset_unchecked(&self) -> SS

Use with care! Same as self.to_subset but without any property checks. Always succeeds.
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fn from_subset(element: &SS) -> SP

The inclusion map: converts self to the equivalent element of its superset.
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impl<T> Tap for T

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

Immutable access to a value. Read more
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fn tap_mut(self, func: impl FnOnce(&mut Self)) -> Self

Mutable access to a value. Read more
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fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow<B>, B: ?Sized,

Immutable access to the Borrow<B> of a value. Read more
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fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut<B>, B: ?Sized,

Mutable access to the BorrowMut<B> of a value. Read more
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fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self
where Self: AsRef<R>, R: ?Sized,

Immutable access to the AsRef<R> view of a value. Read more
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fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

Mutable access to the AsMut<R> view of a value. Read more
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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
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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
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fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self

Calls .tap() only in debug builds, and is erased in release builds.
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fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self

Calls .tap_mut() only in debug builds, and is erased in release builds.
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fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow<B>, B: ?Sized,

Calls .tap_borrow() only in debug builds, and is erased in release builds.
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fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut<B>, B: ?Sized,

Calls .tap_borrow_mut() only in debug builds, and is erased in release builds.
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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.
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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<S> Codec for S
where S: Decode + Encode,

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impl<T> EncodeLike<&&T> for T
where T: Encode,

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impl<T> EncodeLike<&T> for T
where T: Encode,

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impl<T> EncodeLike<&mut T> for T
where T: Encode,

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impl<T> EncodeLike<Arc<T>> for T
where T: Encode,

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impl<T> EncodeLike<Box<T>> for T
where T: Encode,

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impl<T> EncodeLike<Cow<'_, T>> for T
where T: ToOwned + Encode,

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impl<T> EncodeLike<Rc<T>> for T
where T: Encode,

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impl<S> FullCodec for S
where S: Decode + FullEncode,

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impl<S> FullEncode for S
where S: Encode + EncodeLike,

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

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impl<T> Parameter for T
where T: Codec + DecodeWithMemTracking + EncodeLike + Clone + Eq + Debug + TypeInfo,

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

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impl<T> StaticTypeInfo for T
where T: TypeInfo + 'static,