KillOld

Struct KillOld 

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pub struct KillOld { /* private fields */ }

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impl InstallStep for KillOld

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fn describe(&self, tense: Tense) -> String

A short (one line) description of what running perform will do. Pass in the tense you want for the description (past, present or future)
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fn perform(&mut self) -> Result<Option<Box<dyn RollbackStep>>, InstallError>

Perform this install step making a change to the system. This may return a RollbackStep that can be used to undo the change made in the future. This can be used in an install wizard to roll back changes when an error happens. Read more
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fn describe_detailed(&self, tense: Tense) -> String

A verbose description of what running perform will do to the system. Includes as many details as possible. Pass in the tense you want for the description (past, present or future)
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fn options(&self) -> Option<StepOptions>

Is this a question and if so what options does the user have for responding?

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impl<T> Any for T
where T: 'static + ?Sized,

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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> Instrument for T

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Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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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
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type Error = <U as TryFrom<T>>::Error

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where S: Into<Dispatch>,

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