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ShouldFail

assert_rs::assertion

Struct ShouldFail 

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pub struct ShouldFail<A: Assertion>(/* private fields */);
Expand description

An assertion that will fail if the given assertion was true and succeed if the given assertion was false.

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impl<A: Assertion> Assertion for ShouldFail<A>

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fn test(&self) -> bool

true if the assertion was true.
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fn should_fail(self) -> ShouldFail<Self>
where Self: Sized,

Wrap the assertion in ShouldFail, inverting its condition.
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fn unwrap(&self)

Panic if the assertion was false. Read more
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impl<A: Assertion> Debug for ShouldFail<A>

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

Formats the value using the given formatter. Read more
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impl<A: Assertion> Display for ShouldFail<A>

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

Formats the value using the given formatter. Read more
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impl<A: Assertion> Termination for ShouldFail<A>

Available on crate feature std only.
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fn report(self) -> ExitCode

Is called to get the representation of the value as status code. This status code is returned to the operating system.

Auto Trait Implementations§

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impl<A> Freeze for ShouldFail<A>
where A: Freeze,

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impl<A> RefUnwindSafe for ShouldFail<A>
where A: RefUnwindSafe,

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impl<A> Send for ShouldFail<A>
where A: Send,

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impl<A> Sync for ShouldFail<A>
where A: Sync,

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impl<A> Unpin for ShouldFail<A>
where A: Unpin,

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impl<A> UnsafeUnpin for ShouldFail<A>
where A: UnsafeUnpin,

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impl<A> UnwindSafe for ShouldFail<A>
where A: 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> ToString for T
where T: Display + ?Sized,

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fn to_string(&self) -> String

Converts the given value to a String. Read more
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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.