NoActivity

mapf::domain::activity

Struct NoActivity 

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pub struct NoActivity<A>(/* private fields */);
Expand description

NoActivity can be used as a placeholder where an Activity is required but it doesn’t need to do anything.

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impl<State, A> Activity<State> for NoActivity<A>

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type Action = A

What kind of action is produced by this activity
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type ActivityError = NoError

What kind of error can happen if a bad state is provided
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type Choices<'a> = [Result<(A, State), NoError>; 0] where Self: 'a, Self::Action: 'a, Self::ActivityError: 'a, State: 'a

Concrete type for the returned container of choices
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fn choices<'a>(&'a self, _: State) -> Self::Choices<'a>
where Self: 'a, Self::Action: 'a, Self::ActivityError: 'a, State: 'a,

What choices can be made related to this activity from the provided state

Auto Trait Implementations§

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impl<A> Freeze for NoActivity<A>

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

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

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

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

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impl<A> UnwindSafe for NoActivity<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> Same for T

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type Output = T

Should always be Self
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impl<SS, SP> SupersetOf<SS> for SP
where SS: SubsetOf<SP>,

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fn to_subset(&self) -> Option<SS>

The inverse inclusion map: attempts to construct self from the equivalent element of its superset. Read more
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fn is_in_subset(&self) -> bool

Checks if self is actually part of its subset T (and can be converted to it).
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fn to_subset_unchecked(&self) -> SS

Use with care! Same as self.to_subset but without any property checks. Always succeeds.
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fn from_subset(element: &SS) -> SP

The inclusion map: converts self to the equivalent element of its superset.
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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.