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WitnessDisplay

match_lang

Struct WitnessDisplay 

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pub struct WitnessDisplay<'a, M: Model> { /* private fields */ }
Expand description

A witness printed with the model’s variant names. Returned by Witness::display and WitnessRef::display.

§Examples

let report = check(&Opt, &0, &[Arm::new(Pat::variant(0, []))])?;
assert_eq!(format!("{}", report.missing()[0].display(&Opt)), "Some(_)");

Trait Implementations§

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impl<M: Model> Debug for WitnessDisplay<'_, M>

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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<M: Model> Display for WitnessDisplay<'_, M>

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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<'a, M> Freeze for WitnessDisplay<'a, M>
where WitnessRef<'a, <M as Model>::Ty>: Freeze, &'a M: Freeze,

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impl<'a, M> RefUnwindSafe for WitnessDisplay<'a, M>
where WitnessRef<'a, <M as Model>::Ty>: RefUnwindSafe, &'a M: RefUnwindSafe,

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impl<'a, M> Send for WitnessDisplay<'a, M>
where WitnessRef<'a, <M as Model>::Ty>: Send, &'a M: Send,

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impl<'a, M> Sync for WitnessDisplay<'a, M>
where WitnessRef<'a, <M as Model>::Ty>: Sync, &'a M: Sync,

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impl<'a, M> Unpin for WitnessDisplay<'a, M>
where WitnessRef<'a, <M as Model>::Ty>: Unpin, &'a M: Unpin,

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impl<'a, M> UnsafeUnpin for WitnessDisplay<'a, M>
where WitnessRef<'a, <M as Model>::Ty>: UnsafeUnpin, &'a M: UnsafeUnpin,

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impl<'a, M> UnwindSafe for WitnessDisplay<'a, M>
where WitnessRef<'a, <M as Model>::Ty>: UnwindSafe, &'a M: 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 = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

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.