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Enum frame_election_provider_support::Error

pub enum Error {
    SolutionWeightOverflow,
    SolutionTargetOverflow,
    SolutionInvalidIndex,
    SolutionInvalidPageIndex,
    ArithmeticError(&'static str),
    InvalidSupportEdge,
    TooManyVoters,
}
Expand description

The errors that might occur in this crate and frame-election-provider-solution-type.

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SolutionWeightOverflow

While going from solution indices to ratio, the weight of all the edges has gone above the total.

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SolutionTargetOverflow

The solution type has a voter who’s number of targets is out of bound.

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SolutionInvalidIndex

One of the index functions returned none.

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SolutionInvalidPageIndex

One of the page indices was invalid.

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ArithmeticError(&'static str)

An error occurred in some arithmetic operation.

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InvalidSupportEdge

The data provided to create support map was invalid.

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TooManyVoters

The number of voters is bigger than the MaxVoters bound.

Trait Implementations§

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impl Debug for Error

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fn fmt(&self, fmt: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
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impl From<Error> for Error

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fn from(e: Error) -> Self

Converts to this type from the input type.
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impl PartialEq for Error

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

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Eq for Error

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impl StructuralPartialEq for Error

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impl Freeze for Error

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impl RefUnwindSafe for Error

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impl Send for Error

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impl Sync for Error

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impl Unpin for Error

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impl UnwindSafe for Error

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where T: ?Sized,

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Immutably borrows from an owned value. Read more
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Mutably borrows from an owned value. Read more
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where Self: TryInto<T>,

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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<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
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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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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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where Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.
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where Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted.
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Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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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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where Self: BorrowMut<B>, B: 'a + ?Sized, R: 'a,

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where Self: AsRef<U>, U: 'a + ?Sized, R: 'a,

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Borrows self, then passes self.deref() into the pipe function.
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