Struct guppy::graph::Cycles

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pub struct Cycles<'g> { /* private fields */ }

Expand description

Contains information about dependency cycles.

Cargo permits cycles if at least one of the links is dev-only. Cycles exposes information about such dependencies.

Constructed through PackageGraph::cycles.

Implementations

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impl<'g> Cycles<'g>

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pub fn is_cyclic(&self, a: &PackageId, b: &PackageId) -> Result<bool, Error>

Returns true if these two IDs are in the same cycle.

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pub fn all_cycles(
&self
) -> impl Iterator<Item = Vec<&'g PackageId>> + DoubleEndedIterator + 'g

Returns all the cycles of 2 or more elements in this graph.

Cycles are returned in topological order: if packages in cycle B depend on packages in cycle A, A is returned before B.

Within a cycle, nodes are returned in non-dev order: if package Foo has a dependency on Bar, and Bar has a cyclic dev-dependency on Foo, then Foo is returned before Bar.

Auto Trait Implementations

impl<'g> RefUnwindSafe for Cycles<'g>

impl<'g> Send for Cycles<'g>

impl<'g> Sync for Cycles<'g>

impl<'g> Unpin for Cycles<'g>

impl<'g> UnwindSafe for Cycles<'g>

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,

const: unstable · source

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,

const: unstable · source

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

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

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

impl<T> Pointable for T

const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Struct guppy::graph::Cycles

Implementations

impl<'g> Cycles<'g>

pub fn is_cyclic(&self, a: &PackageId, b: &PackageId) -> Result<bool, Error>

pub fn all_cycles(
&self
) -> impl Iterator<Item = Vec<&'g PackageId>> + DoubleEndedIterator + 'g

Auto Trait Implementations

impl<'g> RefUnwindSafe for Cycles<'g>

impl<'g> Send for Cycles<'g>

impl<'g> Sync for Cycles<'g>

impl<'g> Unpin for Cycles<'g>

impl<'g> UnwindSafe for Cycles<'g>

Blanket Implementations

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

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where
T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where
T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for T where
U: From<T>,

fn into(self) -> U

impl<T> Pointable for T

const ALIGN: usize

type Init = T

unsafe fn init(init: <T as Pointable>::Init) -> usize

unsafe fn deref<'a>(ptr: usize) -> &'a T

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

unsafe fn drop(ptr: usize)

impl<T, U> TryFrom<U> for T where
U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

fn vzip(self) -> V

Struct guppy::graph::Cycles

Implementations

impl<'g> Cycles<'g>

pub fn is_cyclic(&self, a: &PackageId, b: &PackageId) -> Result<bool, Error>

pub fn all_cycles( &self) -> impl Iterator<Item = Vec<&'g PackageId>> + DoubleEndedIterator + 'g

Auto Trait Implementations

impl<'g> RefUnwindSafe for Cycles<'g>

impl<'g> Send for Cycles<'g>

impl<'g> Sync for Cycles<'g>

impl<'g> Unpin for Cycles<'g>

impl<'g> UnwindSafe for Cycles<'g>

Blanket Implementations

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

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for T where U: From<T>,

fn into(self) -> U

impl<T> Pointable for T

const ALIGN: usize

type Init = T

unsafe fn init(init: <T as Pointable>::Init) -> usize

unsafe fn deref<'a>(ptr: usize) -> &'a T

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

unsafe fn drop(ptr: usize)

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<V, T> VZip<V> for T where V: MultiLane<T>,

fn vzip(self) -> V

pub fn all_cycles(
&self
) -> impl Iterator<Item = Vec<&'g PackageId>> + DoubleEndedIterator + 'g

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

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

impl<V, T> VZip<V> for T where
V: MultiLane<T>,