Enum frame_support::traits::SignedImbalance

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pub enum SignedImbalance<B, PositiveImbalance: Imbalance<B>> {
    Positive(PositiveImbalance),
    Negative(PositiveImbalance::Opposite),
}

Expand description

Either a positive or a negative imbalance.

Variants

`Positive(PositiveImbalance)`

A positive imbalance (funds have been created but none destroyed).

`Negative(PositiveImbalance::Opposite)`

A negative imbalance (funds have been destroyed but none created).

Implementations

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impl<P: Imbalance<B, Opposite = N>, N: Imbalance<B, Opposite = P>, B: AtLeast32BitUnsigned + FullCodec + Copy + MaybeSerializeDeserialize + Debug + Default> SignedImbalance<B, P>

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pub fn zero() -> Self

Create a Positive instance of Self whose value is zero.

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pub fn drop_zero(self) -> Result<(), Self>

Drop Self if and only if it is equal to zero. Return Err with Self if not.

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pub fn merge(self, other: Self) -> Self

Consume self and an other to return a new instance that combines both.

Auto Trait Implementations

impl<B, PositiveImbalance> RefUnwindSafe for SignedImbalance<B, PositiveImbalance> where
PositiveImbalance: RefUnwindSafe,
<PositiveImbalance as Imbalance>::Opposite: RefUnwindSafe,

impl<B, PositiveImbalance> Send for SignedImbalance<B, PositiveImbalance> where
PositiveImbalance: Send,
<PositiveImbalance as Imbalance>::Opposite: Send,

impl<B, PositiveImbalance> Sync for SignedImbalance<B, PositiveImbalance> where
PositiveImbalance: Sync,
<PositiveImbalance as Imbalance>::Opposite: Sync,

impl<B, PositiveImbalance> Unpin for SignedImbalance<B, PositiveImbalance> where
PositiveImbalance: Unpin,
<PositiveImbalance as Imbalance>::Opposite: Unpin,

impl<B, PositiveImbalance> UnwindSafe for SignedImbalance<B, PositiveImbalance> where
PositiveImbalance: UnwindSafe,
<PositiveImbalance as Imbalance>::Opposite: UnwindSafe,

Blanket Implementations

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

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pub 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

pub 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,

const: unstable · source

pub 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> Downcast for T where
T: Any,

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pub fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>ⓘ
Notable traits for Box<W, Global>
`impl<W> Write for Box<W, Global> where W: Write + ?Sized, impl<R> Read for Box<R, Global> where R: Read + ?Sized, impl<I, A> Iterator for Box<I, A> where I: Iterator + ?Sized, A: Allocator, type Item = ::Item;impl<F, A> Future for Box<F, A> where F: Future + Unpin + ?Sized, A: Allocator + 'static, type Output = <F as Future>::Output;`

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. Read more

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

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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pub 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. Read more

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pub 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. Read more

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impl<T> DowncastSync for T where
T: Any + Send + Sync,

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pub fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Sync + Send + 'static>

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

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