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HasError

asserting::expectations

Struct HasError 

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pub struct HasError<E> {
    pub expected: E,
}

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§expected: E

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impl<T, E, X> Expectation<&Result<T, E>> for HasError<X>
where T: Debug, E: PartialEq<X> + Debug, X: Debug,

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fn test(&mut self, subject: &&Result<T, E>) -> bool

Verifies whether the actual subject fulfills the expected property.
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fn message( &self, expression: &Expression<'_>, actual: &&Result<T, E>, inverted: bool, format: &DiffFormat, ) -> String

Forms a failure message for this expectation.
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impl<T, E, X> Expectation<Result<T, E>> for HasError<X>
where T: Debug, E: PartialEq<X> + Debug, X: Debug,

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fn test(&mut self, subject: &Result<T, E>) -> bool

Verifies whether the actual subject fulfills the expected property.
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fn message( &self, expression: &Expression<'_>, actual: &Result<T, E>, inverted: bool, format: &DiffFormat, ) -> String

Forms a failure message for this expectation.
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impl<X> Invertible for HasError<X>

Auto Trait Implementations§

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impl<E> Freeze for HasError<E>
where E: Freeze,

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impl<E> RefUnwindSafe for HasError<E>
where E: RefUnwindSafe,

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impl<E> Send for HasError<E>
where E: Send,

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impl<E> Sync for HasError<E>
where E: Sync,

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impl<E> Unpin for HasError<E>
where E: Unpin,

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impl<E> UnwindSafe for HasError<E>
where E: 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, 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, 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.