Enum FailureReason

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pub enum FailureReason {
    NoCandidates,
    Ambiguous(Vec<FunctionId>),
    FilteredOut(String),
    NotApplicable,
}

Expand description

Why a resolution attempt failed

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NoCandidates

No candidates found

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Ambiguous(Vec<FunctionId>)

Multiple ambiguous candidates

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FilteredOut(String)

Candidates excluded by filters

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NotApplicable

Strategy not applicable

Trait Implementations§

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impl Clone for FailureReason

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fn clone(&self) -> FailureReason

Returns a duplicate of the value. Read more

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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl Debug for FailureReason

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl UnwindSafe for FailureReason

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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

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impl<T> EnsureExt<T> for T

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fn ensure<P, E>(self, predicate: P, error: E) -> Validation<T, NonEmptyVec<E>>
where P: Predicate<T>,

Validate that this value satisfies the given predicate. Read more

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fn ensure_with<P, E, F>( self, predicate: P, error_fn: F, ) -> Validation<T, NonEmptyVec<E>>
where P: Predicate<T>, F: FnOnce(&T) -> E,

Validate with an error-generating function. 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, 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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