Struct odra_core::Sequence

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pub struct Sequence<T>
where
    T: Num + One + ToBytes + FromBytes + CLTyped,
{ /* private fields */ }
Expand description

A module that stores a single value in the storage that can be read or incremented.

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impl<T> Sequence<T>
where T: Num + One + Zero + Default + Copy + ToBytes + FromBytes + CLTyped,

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pub fn get_current_value(&self) -> T

Returns the current value of the sequence.

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pub fn next_value(&mut self) -> T

Increments the value of the sequence and returns the new value.

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impl<T: Num + One + Zero + Default + Copy + ToBytes + FromBytes + CLTyped> Sequence<T>

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pub fn env(&self) -> ContractEnv

Returns the ContractEnv.

Trait Implementations§

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impl<T: Num + One + Zero + Default + Copy + ToBytes + FromBytes + CLTyped> ModuleComponent for Sequence<T>

Implements the ModuleComponent trait for the Sequence struct.

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fn instance(env: Rc<ContractEnv>, index: u8) -> Self

Creates a new instance of Sequence with the given environment and index.

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impl<T: Num + One + Zero + Default + Copy + ToBytes + FromBytes + CLTyped> ModulePrimitive for Sequence<T>

Auto Trait Implementations§

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impl<T> Freeze for Sequence<T>

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impl<T> !RefUnwindSafe for Sequence<T>

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impl<T> !Send for Sequence<T>

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impl<T> !Sync for Sequence<T>

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

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impl<T> !UnwindSafe for Sequence<T>

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<M> HasEvents for M
where M: ModulePrimitive,

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fn events() -> Vec<Event>

Returns a list of Events used by the contract.
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fn event_schemas() -> BTreeMap<String, Schema>

Returns a map of event schemas used by the contract.
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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> Same for T

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type Output = T

Should always be Self
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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.