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BeforeAfter

Struct BeforeAfter 

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pub struct BeforeAfter<T> {
    pub before: T,
    pub after: T,
}
Expand description

A pair of values useful for before/after comparisons.

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§before: T

Value before the transformation.

§after: T

Value after the transformation.

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impl<T: PartialEq> BeforeAfter<T>

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pub fn new(before: T, after: T) -> Self

Creates a new before/after pair.

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pub fn unchanged(&self) -> bool

Returns true if before equals after (no change).

Auto Trait Implementations§

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impl<T> Freeze for BeforeAfter<T>
where T: Freeze,

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impl<T> RefUnwindSafe for BeforeAfter<T>
where T: RefUnwindSafe,

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impl<T> Send for BeforeAfter<T>
where T: Send,

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impl<T> Sync for BeforeAfter<T>
where T: Sync,

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impl<T> Unpin for BeforeAfter<T>
where T: Unpin,

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impl<T> UnsafeUnpin for BeforeAfter<T>
where T: UnsafeUnpin,

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impl<T> UnwindSafe for BeforeAfter<T>
where T: 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.