Struct petgraph::graph::EdgeIndex

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pub struct EdgeIndex<Ix = DefaultIx>(/* private fields */);
Expand description

Edge identifier.

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impl<Ix: IndexType> EdgeIndex<Ix>

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pub fn new(x: usize) -> Self

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pub fn index(self) -> usize

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pub fn end() -> Self

An invalid EdgeIndex used to denote absence of an edge, for example to end an adjacency list.

Trait Implementations§

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impl<Ix: Clone> Clone for EdgeIndex<Ix>

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fn clone(&self) -> EdgeIndex<Ix>

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<Ix: Debug> Debug for EdgeIndex<Ix>

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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<Ix: Default> Default for EdgeIndex<Ix>

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fn default() -> EdgeIndex<Ix>

Returns the “default value” for a type. Read more
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impl<Ix: IndexType> From<Ix> for EdgeIndex<Ix>

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fn from(ix: Ix) -> Self

Converts to this type from the input type.
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impl<Ix: Hash> Hash for EdgeIndex<Ix>

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl<N, E, Ty, Ix> Index<EdgeIndex<Ix>> for Graph<N, E, Ty, Ix>
where Ty: EdgeType, Ix: IndexType,

Index the Graph by EdgeIndex to access edge weights.

Panics if the edge doesn’t exist.

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type Output = E

The returned type after indexing.
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fn index(&self, index: EdgeIndex<Ix>) -> &E

Performs the indexing (container[index]) operation. Read more
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impl<N, E, Ty, Ix> Index<EdgeIndex<Ix>> for StableGraph<N, E, Ty, Ix>
where Ty: EdgeType, Ix: IndexType,

Index the StableGraph by EdgeIndex to access edge weights.

Panics if the edge doesn’t exist.

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type Output = E

The returned type after indexing.
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fn index(&self, index: EdgeIndex<Ix>) -> &E

Performs the indexing (container[index]) operation. Read more
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impl<N, E, Ty, Ix> IndexMut<EdgeIndex<Ix>> for Graph<N, E, Ty, Ix>
where Ty: EdgeType, Ix: IndexType,

Index the Graph by EdgeIndex to access edge weights.

Panics if the edge doesn’t exist.

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fn index_mut(&mut self, index: EdgeIndex<Ix>) -> &mut E

Performs the mutable indexing (container[index]) operation. Read more
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impl<N, E, Ty, Ix> IndexMut<EdgeIndex<Ix>> for StableGraph<N, E, Ty, Ix>
where Ty: EdgeType, Ix: IndexType,

Index the StableGraph by EdgeIndex to access edge weights.

Panics if the edge doesn’t exist.

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fn index_mut(&mut self, index: EdgeIndex<Ix>) -> &mut E

Performs the mutable indexing (container[index]) operation. Read more
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impl<Ix: Ord> Ord for EdgeIndex<Ix>

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fn cmp(&self, other: &EdgeIndex<Ix>) -> Ordering

This method returns an Ordering between self and other. Read more
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fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized + PartialOrd,

Restrict a value to a certain interval. Read more
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impl<Ix: PartialEq> PartialEq for EdgeIndex<Ix>

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fn eq(&self, other: &EdgeIndex<Ix>) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<Ix: PartialOrd> PartialOrd for EdgeIndex<Ix>

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fn partial_cmp(&self, other: &EdgeIndex<Ix>) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl<Ix: Copy> Copy for EdgeIndex<Ix>

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impl<Ix: Eq> Eq for EdgeIndex<Ix>

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impl<Ix: IndexType> GraphIndex for EdgeIndex<Ix>

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impl<Ix> StructuralEq for EdgeIndex<Ix>

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impl<Ix> StructuralPartialEq for EdgeIndex<Ix>

Auto Trait Implementations§

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impl<Ix> RefUnwindSafe for EdgeIndex<Ix>
where Ix: RefUnwindSafe,

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impl<Ix> Send for EdgeIndex<Ix>
where Ix: Send,

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impl<Ix> Sync for EdgeIndex<Ix>
where Ix: Sync,

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impl<Ix> Unpin for EdgeIndex<Ix>
where Ix: Unpin,

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impl<Ix> UnwindSafe for EdgeIndex<Ix>
where Ix: 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<Q, K> Comparable<K> for Q
where Q: Ord + ?Sized, K: Borrow<Q> + ?Sized,

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fn compare(&self, key: &K) -> Ordering

Compare self to key and return their ordering.
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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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> 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<N> NodeTrait for N
where N: Copy + Ord + Hash,