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Struct Constraint

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pub struct Constraint<C>(/* private fields */);
Expand description

Records calls performed on a trackable type.

Allows to validate that a different instance of the trackable type yields the same outputs for the recorded calls.

The constraint can be hooked up to a tracked type through Track::track_with.

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impl<C> Constraint<C>

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pub fn new() -> Self

Creates a new constraint.

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pub fn validate<T>(&self, value: &T) -> bool
where T: Track<Call = C>,

Checks whether the given value matches the constraints by invoking the recorded calls one by one.

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impl<C> Default for Constraint<C>

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fn default() -> Self

Returns the “default value” for a type. Read more

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impl<C> !Freeze for Constraint<C>

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impl<C> !RefUnwindSafe for Constraint<C>

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impl<C> Send for Constraint<C>
where C: Send,

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impl<C> Sync for Constraint<C>
where C: Send,

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impl<C> Unpin for Constraint<C>
where C: Unpin,

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impl<C> UnwindSafe for Constraint<C>
where C: UnwindSafe,

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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.