Struct WithResult

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pub struct WithResult<T, F>where
    F: FnOnce(T),
{ /* private fields */ }

Expand description

Defines a lambda function to be called on the decoded result.

Value will be decoded according to the type defined in the smart contract.

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impl<T, F> WithResult<T, F>
where F: FnOnce(T),

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pub fn new(f: F) -> WithResult<T, F>

Trait Implementations§

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impl<Env, Original, F> RHListItem<Env, Original> for WithResult<Original, F>
where Env: TxEnv, F: FnOnce(Original),

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type Returns = ()

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impl<Env, Original, F> RHListItemExec<SyncCallRawResult<<Env as TxEnv>::Api>, Env, Original> for WithResult<Original, F>
where Env: TxEnv, Original: TopDecodeMulti, F: FnOnce(Original),

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fn item_process_result( self, raw_result: &SyncCallRawResult<<Env as TxEnv>::Api>, ) -> <WithResult<Original, F> as RHListItem<Env, Original>>::Returns

The main functionality of a result handler, it either does some computation internally (e.g. execution of a lambda function), or produces a result, or both.

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fn item_tx_expect( &self, prev: <Env as TxEnv>::RHExpect, ) -> <Env as TxEnv>::RHExpect

Part of the execution pre-processing, each result handler needs to produce an “expect” field, as defined in the environment. Read more

Auto Trait Implementations§

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impl<T, F> Freeze for WithResult<T, F>
where F: Freeze,

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impl<T, F> RefUnwindSafe for WithResult<T, F>
where F: RefUnwindSafe, T: RefUnwindSafe,

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impl<T, F> UnwindSafe for WithResult<T, F>
where F: UnwindSafe, T: UnwindSafe,

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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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> InterpretableFrom<T> for T

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fn interpret_from(from: T, _context: &InterpreterContext) -> T

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impl<T, U> Into 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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