rustc_data_structures::graph::scc

Enum WalkReturn

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enum WalkReturn<S, A> {
    Cycle {
        min_depth: usize,
        annotation: A,
    },
    Complete {
        scc_index: S,
        annotation: A,
    },
}
Expand description

The state of walking a given node.

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Cycle

The walk found a cycle, but the entire component is not known to have been fully walked yet. We only know the minimum depth of this component in a minimum spanning tree of the graph. This component is tentatively represented by the state of the first node of this cycle we met, which is at min_depth.

Fields

§min_depth: usize
§annotation: A
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Complete

The SCC and everything reachable from it have been fully walked. At this point we know what is inside the SCC as we have visited every node reachable from it. The SCC can now be fully represented by its ID.

Fields

§scc_index: S
§annotation: A

Trait Implementations§

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impl<S: Clone, A: Clone> Clone for WalkReturn<S, A>

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fn clone(&self) -> WalkReturn<S, A>

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<S: Debug, A: Debug> Debug for WalkReturn<S, A>

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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<S: Copy, A: Copy> Copy for WalkReturn<S, A>

Auto Trait Implementations§

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impl<S, A> DynSend for WalkReturn<S, A>
where A: DynSend, S: DynSend,

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impl<S, A> DynSync for WalkReturn<S, A>
where A: DynSync, S: DynSync,

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impl<S, A> Freeze for WalkReturn<S, A>
where A: Freeze, S: Freeze,

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impl<S, A> RefUnwindSafe for WalkReturn<S, A>
where A: RefUnwindSafe, S: RefUnwindSafe,

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impl<S, A> Send for WalkReturn<S, A>
where A: Send, S: Send,

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impl<S, A> Sync for WalkReturn<S, A>
where A: Sync, S: Sync,

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impl<S, A> Unpin for WalkReturn<S, A>
where A: Unpin, S: Unpin,

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impl<S, A> UnwindSafe for WalkReturn<S, A>
where A: UnwindSafe, S: UnwindSafe,

Blanket Implementations§

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impl<T> Aligned for T

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const ALIGN: Alignment = const ALIGN: Alignment = Alignment::of::<Self>();

Alignment of Self.
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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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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> IntoEither for T

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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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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
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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impl<T> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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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.
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<'a, T> Captures<'a> for T
where T: ?Sized,

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Note: Unable to compute type layout, possibly due to this type having generic parameters. Layout can only be computed for concrete, fully-instantiated types.