Struct casper_execution_engine::core::runtime_context::RuntimeContext

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pub struct RuntimeContext<'a, R> { /* private fields */ }

Expand description

Holds information specific to the deployed contract.

Implementations

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impl<'a, R> RuntimeContext<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

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pub fn new(
 tracking_copy: Rc<RefCell<TrackingCopy<R>>>,
 entry_point_type: EntryPointType,
 named_keys: &'a mut NamedKeys,
 access_rights: ContextAccessRights,
 runtime_args: RuntimeArgs,
 authorization_keys: BTreeSet<AccountHash>,
 account: &'a Account,
 base_key: Key,
 blocktime: BlockTime,
 deploy_hash: DeployHash,
 gas_limit: Gas,
 gas_counter: Gas,
 address_generator: Rc<RefCell<AddressGenerator>>,
 protocol_version: ProtocolVersion,
 correlation_id: CorrelationId,
 phase: Phase,
 engine_config: EngineConfig,
 transfers: Vec<TransferAddr>,
 remaining_spending_limit: U512
) -> Self

Creates new runtime context where we don’t already have one.

Where we already have a runtime context, consider using new_from_self().

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pub fn new_from_self(
    &self,
    base_key: Key,
    entry_point_type: EntryPointType,
    named_keys: &'a mut NamedKeys,
    access_rights: ContextAccessRights,
    runtime_args: RuntimeArgs
) -> Self

Creates new runtime context cloning values from self.

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pub fn authorization_keys(&self) -> &BTreeSet<AccountHash>

Returns all authorization keys for this deploy.

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pub fn named_keys_get(&self, name: &str) -> Option<&Key>

Returns a named key by a name if it exists.

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pub fn named_keys(&self) -> &NamedKeys

Returns named keys.

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pub fn named_keys_mut(&mut self) -> &mut NamedKeys

Returns a mutable reference to named keys.

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pub fn named_keys_contains_key(&self, name: &str) -> bool

Checks if named keys contains a key referenced by name.

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pub fn remove_key(&mut self, name: &str) -> Result<(), Error>

Remove Key from the named_keys map of the current context. It removes both from the ephemeral map (RuntimeContext::named_keys) but also persistable map (one that is found in the TrackingCopy/GlobalState).

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pub fn get_caller(&self) -> AccountHash

Returns the caller of the contract.

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pub fn get_blocktime(&self) -> BlockTime

Returns the block time.

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pub fn get_deploy_hash(&self) -> DeployHash

Returns the deploy hash.

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pub fn access_rights_extend(&mut self, urefs: &[URef])

Extends access rights with a new map.

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pub fn access_rights(&self) -> &ContextAccessRights

Returns a mapping of access rights for each URefs address.

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pub fn account(&self) -> &'a Account

Returns account of the caller.

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pub fn args(&self) -> &RuntimeArgs

Returns arguments.

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pub fn address_generator(&self) -> Rc<RefCell<AddressGenerator>>

Returns new shared instance of an address generator.

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pub fn gas_limit(&self) -> Gas

Returns the gas limit.

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pub fn gas_counter(&self) -> Gas

Returns the current gas counter.

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pub fn set_gas_counter(&mut self, new_gas_counter: Gas)

Sets the gas counter to a new value.

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pub fn base_key(&self) -> Key

Returns the base key.

This could be either a Key::Account or a Key::Hash depending on the entry point type.

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pub fn protocol_version(&self) -> ProtocolVersion

Returns the protocol version.

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pub fn correlation_id(&self) -> CorrelationId

Returns the correlation id.

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pub fn phase(&self) -> Phase

Returns the current phase.

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pub fn new_hash_address(&mut self) -> Result<[u8 ; 32], Error>

Generates new deterministic hash for uses as an address.

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pub fn new_uref(&mut self, value: StoredValue) -> Result<URef, Error>

Creates new URef instance.

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pub fn new_transfer_addr(&mut self) -> Result<TransferAddr, Error>

Creates a new transfer address using a transfer address generator.

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pub fn put_key(&mut self, name: String, key: Key) -> Result<(), Error>

Puts key to the map of named keys of current context.

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pub fn read_gs(&mut self, key: &Key) -> Result<Option<StoredValue>, Error>

Read a stored value under a Key.

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pub fn read_gs_direct(&mut self, key: &Key) -> Result<Option<StoredValue>, Error>

Reads a value from a global state directly.

Usage

DO NOT EXPOSE THIS VIA THE FFI - This function bypasses security checks and should be used with caution.

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pub fn read_gs_typed<T>(&mut self, key: &Key) -> Result<T, Error> where
T: TryFrom<StoredValue>,
T::Error: Debug,

This method is a wrapper over read_gs in the sense that it extracts the type held by a StoredValue stored in the global state in a type safe manner.

This is useful if you want to get the exact type from global state.

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pub fn get_keys(&mut self, key_tag: &KeyTag) -> Result<BTreeSet<Key>, Error>

Returns all keys based on the tag prefix.

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pub fn read_account(&mut self, key: &Key) -> Result<Option<StoredValue>, Error>

Read an account from the global state.

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pub fn write_account(&mut self, key: Key, account: Account) -> Result<(), Error>

Write an account to the global state.

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pub fn write_transfer(&mut self, key: Key, value: Transfer)

Write a transfer instance to the global state.

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pub fn write_era_info(&mut self, key: Key, value: EraInfo)

Write an era info instance to the global state.

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pub fn grant_access(&mut self, uref: URef) -> GrantedAccess

Grants access to a URef; unless access was pre-existing.

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pub fn remove_access(&mut self, uref_addr: URefAddr, access_rights: AccessRights)

Removes an access right from the current runtime context.

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pub fn effect(&self) -> ExecutionEffect

Returns current effects of a tracking copy.

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pub fn execution_journal(&self) -> ExecutionJournal

Returns an ExecutionJournal.

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pub fn transfers(&self) -> &Vec<TransferAddr>ⓘNotable traits for Vec<u8, A>`impl<A> Write for Vec<u8, A> where A: Allocator,`

Returns list of transfers.

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pub fn transfers_mut(&mut self) -> &mut Vec<TransferAddr>ⓘNotable traits for Vec<u8, A>`impl<A> Write for Vec<u8, A> where A: Allocator,`

Returns mutable list of transfers.

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pub fn is_readable(&self, key: &Key) -> bool

Tests whether reading from the key is valid.

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pub fn is_addable(&self, key: &Key) -> bool

Tests whether addition to key is valid.

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pub fn is_writeable(&self, key: &Key) -> bool

Tests whether writing to key is valid.

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pub fn get_main_purse(&mut self) -> Result<URef, Error>

Gets main purse id

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pub fn entry_point_type(&self) -> EntryPointType

Gets entry point type.

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pub fn dictionary_put(
 &mut self,
 seed_uref: URef,
 dictionary_item_key: &str,
 cl_value: CLValue
) -> Result<(), Error>

Puts a dictionary item key from a dictionary referenced by a uref.

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pub fn system_contract_registry(&self) -> Result<SystemContractRegistry, Error>

Returns system contract registry by querying the global state.

Auto Trait Implementations

impl<'a, R> !RefUnwindSafe for RuntimeContext<'a, R>

impl<'a, R> !Send for RuntimeContext<'a, R>

impl<'a, R> !Sync for RuntimeContext<'a, R>

impl<'a, R> Unpin for RuntimeContext<'a, R>

impl<'a, R> !UnwindSafe for RuntimeContext<'a, R>

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,

const: unstable · source

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Immutably borrows from an owned value. Read more

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T: ?Sized,

const: unstable · source

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Mutably borrows from an owned value. Read more

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Self: Into<T>,

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T: Any,

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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. Read more

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

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

fn fmt_display(self) -> FmtDisplay<Self> where
Self: Display,

Causes self to use its Display implementation when Debug-formatted. Read more

fn fmt_lower_exp(self) -> FmtLowerExp<Self> where
Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted. Read more

fn fmt_lower_hex(self) -> FmtLowerHex<Self> where
Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted. Read more

fn fmt_octal(self) -> FmtOctal<Self> where
Self: Octal,

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

fn fmt_pointer(self) -> FmtPointer<Self> where
Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted. Read more

fn fmt_upper_exp(self) -> FmtUpperExp<Self> where
Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted. Read more

fn fmt_upper_hex(self) -> FmtUpperHex<Self> where
Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted. Read more

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impl<T> From<T> for T

const: unstable · source

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Returns the argument unchanged.

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impl<T> Instrument for T

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Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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const: unstable · source

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 Self: AsRef<T>,
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 Self: Borrow<T>,
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 &'a mut self,
 func: impl FnOnce(&'a mut T) -> R
) -> R where
 Self: BorrowMut<T>,
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 R: 'a,

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 &'a mut self,
 func: impl FnOnce(&'a mut Self::Target) -> R
) -> R where
 Self: DerefMut,
 R: 'a,

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fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R where
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Calls tap in debug builds, and does nothing in release builds.

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type Error = Infallible

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const: unstable · source

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

Performs the conversion.

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impl<T, U> TryInto for T where
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type Error = >::Error

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const: unstable · source

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Struct casper_execution_engine::core::runtime_context::RuntimeContext

Implementations

impl<'a, R> RuntimeContext<'a, R> where R: StateReader<Key, StoredValue>, R::Error: Into<Error>,

pub fn new_from_self( &self, base_key: Key, entry_point_type: EntryPointType, named_keys: &'a mut NamedKeys, access_rights: ContextAccessRights, runtime_args: RuntimeArgs) -> Self

pub fn authorization_keys(&self) -> &BTreeSet<AccountHash>

pub fn named_keys_get(&self, name: &str) -> Option<&Key>

pub fn named_keys(&self) -> &NamedKeys

pub fn named_keys_mut(&mut self) -> &mut NamedKeys

pub fn named_keys_contains_key(&self, name: &str) -> bool

pub fn remove_key(&mut self, name: &str) -> Result<(), Error>

pub fn get_caller(&self) -> AccountHash

pub fn get_blocktime(&self) -> BlockTime

pub fn get_deploy_hash(&self) -> DeployHash

pub fn access_rights_extend(&mut self, urefs: &[URef])

pub fn access_rights(&self) -> &ContextAccessRights

pub fn account(&self) -> &'a Account

pub fn args(&self) -> &RuntimeArgs

pub fn address_generator(&self) -> Rc<RefCell<AddressGenerator>>

pub fn gas_limit(&self) -> Gas

pub fn gas_counter(&self) -> Gas

pub fn set_gas_counter(&mut self, new_gas_counter: Gas)

pub fn base_key(&self) -> Key

pub fn protocol_version(&self) -> ProtocolVersion

pub fn correlation_id(&self) -> CorrelationId

pub fn phase(&self) -> Phase

pub fn new_hash_address(&mut self) -> Result<[u8; 32], Error>

pub fn new_uref(&mut self, value: StoredValue) -> Result<URef, Error>

pub fn new_transfer_addr(&mut self) -> Result<TransferAddr, Error>

pub fn put_key(&mut self, name: String, key: Key) -> Result<(), Error>

pub fn read_gs(&mut self, key: &Key) -> Result<Option<StoredValue>, Error>

pub fn read_gs_direct(&mut self, key: &Key) -> Result<Option<StoredValue>, Error>

Usage

pub fn read_gs_typed<T>(&mut self, key: &Key) -> Result<T, Error> where T: TryFrom<StoredValue>, T::Error: Debug,

pub fn get_keys(&mut self, key_tag: &KeyTag) -> Result<BTreeSet<Key>, Error>

pub fn read_account(&mut self, key: &Key) -> Result<Option<StoredValue>, Error>

pub fn write_account(&mut self, key: Key, account: Account) -> Result<(), Error>

pub fn write_transfer(&mut self, key: Key, value: Transfer)

pub fn write_era_info(&mut self, key: Key, value: EraInfo)

pub fn grant_access(&mut self, uref: URef) -> GrantedAccess

pub fn remove_access(&mut self, uref_addr: URefAddr, access_rights: AccessRights)

pub fn effect(&self) -> ExecutionEffect

pub fn execution_journal(&self) -> ExecutionJournal

pub fn transfers(&self) -> &Vec<TransferAddr>ⓘNotable traits for Vec<u8, A>impl<A> Write for Vec<u8, A> where A: Allocator,

pub fn transfers_mut(&mut self) -> &mut Vec<TransferAddr>ⓘNotable traits for Vec<u8, A>impl<A> Write for Vec<u8, A> where A: Allocator,

pub fn is_readable(&self, key: &Key) -> bool

pub fn is_addable(&self, key: &Key) -> bool

pub fn is_writeable(&self, key: &Key) -> bool

pub fn get_main_purse(&mut self) -> Result<URef, Error>

pub fn entry_point_type(&self) -> EntryPointType

pub fn dictionary_put( &mut self, seed_uref: URef, dictionary_item_key: &str, cl_value: CLValue) -> Result<(), Error>

pub fn system_contract_registry(&self) -> Result<SystemContractRegistry, Error>

Auto Trait Implementations

impl<'a, R> !RefUnwindSafe for RuntimeContext<'a, R>

impl<'a, R> !Send for RuntimeContext<'a, R>

impl<'a, R> !Sync for RuntimeContext<'a, R>

impl<'a, R> Unpin for RuntimeContext<'a, R>

impl<'a, R> !UnwindSafe for RuntimeContext<'a, R>

Blanket Implementations

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

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

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

impl<T> Conv for T

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

impl<T> Downcast for T where T: Any,

fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>

fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>

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

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

impl<T> FmtForward for T

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

fn fmt_display(self) -> FmtDisplay<Self> where Self: Display,

fn fmt_lower_exp(self) -> FmtLowerExp<Self> where Self: LowerExp,

fn fmt_lower_hex(self) -> FmtLowerHex<Self> where Self: LowerHex,

fn fmt_octal(self) -> FmtOctal<Self> where Self: Octal,

fn fmt_pointer(self) -> FmtPointer<Self> where Self: Pointer,

fn fmt_upper_exp(self) -> FmtUpperExp<Self> where Self: UpperExp,

fn fmt_upper_hex(self) -> FmtUpperHex<Self> where Self: UpperHex,

impl<'a, R> RuntimeContext<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

pub fn new_from_self(
&self,
base_key: Key,
entry_point_type: EntryPointType,
named_keys: &'a mut NamedKeys,
access_rights: ContextAccessRights,
runtime_args: RuntimeArgs
) -> Self

pub fn new_hash_address(&mut self) -> Result<[u8 ; 32], Error>

pub fn read_gs_typed<T>(&mut self, key: &Key) -> Result<T, Error> where
T: TryFrom<StoredValue>,
T::Error: Debug,

pub fn transfers(&self) -> &Vec<TransferAddr>ⓘNotable traits for Vec<u8, A>`impl<A> Write for Vec<u8, A> where A: Allocator,`

pub fn transfers_mut(&mut self) -> &mut Vec<TransferAddr>ⓘNotable traits for Vec<u8, A>`impl<A> Write for Vec<u8, A> where A: Allocator,`

pub fn dictionary_put(
&mut self,
seed_uref: URef,
dictionary_item_key: &str,
cl_value: CLValue
) -> Result<(), Error>

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

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

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

impl<T> Downcast for T where
T: Any,

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

fn fmt_display(self) -> FmtDisplay<Self> where
Self: Display,

fn fmt_lower_exp(self) -> FmtLowerExp<Self> where
Self: LowerExp,

fn fmt_lower_hex(self) -> FmtLowerHex<Self> where
Self: LowerHex,

fn fmt_octal(self) -> FmtOctal<Self> where
Self: Octal,

fn fmt_pointer(self) -> FmtPointer<Self> where
Self: Pointer,

fn fmt_upper_exp(self) -> FmtUpperExp<Self> where
Self: UpperExp,

fn fmt_upper_hex(self) -> FmtUpperHex<Self> where
Self: UpperHex,

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

fn pipe_as_ref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R where
Self: AsRef<T>,
T: 'a,
R: 'a,

fn pipe_as_mut<'a, T, R>(&'a mut self, func: impl FnOnce(&'a mut T) -> R) -> R where
Self: AsMut<T>,
T: 'a,
R: 'a,

fn pipe_borrow<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R where
Self: Borrow<T>,
T: 'a,
R: 'a,

fn pipe_borrow_mut<'a, T, R>(
&'a mut self,
func: impl FnOnce(&'a mut T) -> R
) -> R where
Self: BorrowMut<T>,
T: 'a,
R: 'a,

fn pipe_deref<'a, R>(&'a self, func: impl FnOnce(&'a Self::Target) -> R) -> R where
Self: Deref,
R: 'a,

fn pipe_deref_mut<'a, R>(
&'a mut self,
func: impl FnOnce(&'a mut Self::Target) -> R
) -> R where
Self: DerefMut,
R: 'a,

fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R where
R: 'a,

fn pipe_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> R where
R: 'a,

fn tap<F, R>(self, func: F) -> Self where
F: FnOnce(&Self) -> R,

fn tap_dbg<F, R>(self, func: F) -> Self where
F: FnOnce(&Self) -> R,

fn tap_mut<F, R>(self, func: F) -> Self where
F: FnOnce(&mut Self) -> R,

fn tap_mut_dbg<F, R>(self, func: F) -> Self where
F: FnOnce(&mut Self) -> R,

impl<T, U> TapAsRef<U> for T where
U: ?Sized,

fn tap_ref<F, R>(self, func: F) -> Self where
Self: AsRef<T>,
F: FnOnce(&T) -> R,

fn tap_ref_dbg<F, R>(self, func: F) -> Self where
Self: AsRef<T>,
F: FnOnce(&T) -> R,

fn tap_ref_mut<F, R>(self, func: F) -> Self where
Self: AsMut<T>,
F: FnOnce(&mut T) -> R,

fn tap_ref_mut_dbg<F, R>(self, func: F) -> Self where
Self: AsMut<T>,
F: FnOnce(&mut T) -> R,

impl<T, U> TapBorrow<U> for T where
U: ?Sized,

fn tap_borrow<F, R>(self, func: F) -> Self where
Self: Borrow<T>,
F: FnOnce(&T) -> R,

fn tap_borrow_dbg<F, R>(self, func: F) -> Self where
Self: Borrow<T>,
F: FnOnce(&T) -> R,

fn tap_borrow_mut<F, R>(self, func: F) -> Self where
Self: BorrowMut<T>,
F: FnOnce(&mut T) -> R,

fn tap_borrow_mut_dbg<F, R>(self, func: F) -> Self where
Self: BorrowMut<T>,
F: FnOnce(&mut T) -> R,

fn tap_deref<F, R>(self, func: F) -> Self where
Self: Deref,
F: FnOnce(&Self::Target) -> R,

fn tap_deref_dbg<F, R>(self, func: F) -> Self where
Self: Deref,
F: FnOnce(&Self::Target) -> R,

fn tap_deref_mut<F, R>(self, func: F) -> Self where
Self: DerefMut,
F: FnOnce(&mut Self::Target) -> R,

fn tap_deref_mut_dbg<F, R>(self, func: F) -> Self where
Self: DerefMut,
F: FnOnce(&mut Self::Target) -> R,

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

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

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

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

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