Struct generational_arena::Index [−][src]
pub struct Index { /* fields omitted */ }
An index (and generation) into an Arena
.
To get an Index
, insert an element into an Arena
, and the Index
for
that element will be returned.
Examples
use generational_arena::Arena; let mut arena = Arena::new(); let idx = arena.insert(123); assert_eq!(arena[idx], 123);
Trait Implementations
impl Clone for Index
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impl Clone for Index
fn clone(&self) -> Index
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fn clone(&self) -> Index
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
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fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
impl Copy for Index
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impl Copy for Index
impl Debug for Index
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impl Debug for Index
fn fmt(&self, f: &mut Formatter) -> Result
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fn fmt(&self, f: &mut Formatter) -> Result
Formats the value using the given formatter. Read more
impl PartialEq for Index
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impl PartialEq for Index
fn eq(&self, other: &Index) -> bool
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fn eq(&self, other: &Index) -> bool
This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, other: &Index) -> bool
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fn ne(&self, other: &Index) -> bool
This method tests for !=
.
impl Eq for Index
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impl Eq for Index
impl PartialOrd for Index
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impl PartialOrd for Index
fn partial_cmp(&self, other: &Index) -> Option<Ordering>
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fn partial_cmp(&self, other: &Index) -> Option<Ordering>
This method returns an ordering between self
and other
values if one exists. Read more
fn lt(&self, other: &Index) -> bool
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fn lt(&self, other: &Index) -> bool
This method tests less than (for self
and other
) and is used by the <
operator. Read more
fn le(&self, other: &Index) -> bool
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fn le(&self, other: &Index) -> bool
This method tests less than or equal to (for self
and other
) and is used by the <=
operator. Read more
fn gt(&self, other: &Index) -> bool
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fn gt(&self, other: &Index) -> bool
This method tests greater than (for self
and other
) and is used by the >
operator. Read more
fn ge(&self, other: &Index) -> bool
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fn ge(&self, other: &Index) -> bool
This method tests greater than or equal to (for self
and other
) and is used by the >=
operator. Read more
impl Ord for Index
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impl Ord for Index
fn cmp(&self, other: &Index) -> Ordering
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fn cmp(&self, other: &Index) -> Ordering
This method returns an Ordering
between self
and other
. Read more
fn max(self, other: Self) -> Self
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fn max(self, other: Self) -> Self
Compares and returns the maximum of two values. Read more
fn min(self, other: Self) -> Self
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fn min(self, other: Self) -> Self
Compares and returns the minimum of two values. Read more
impl Hash for Index
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impl Hash for Index
fn hash<__H: Hasher>(&self, state: &mut __H)
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fn hash<__H: Hasher>(&self, state: &mut __H)
Feeds this value into the given [Hasher
]. Read more
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
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fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
Feeds a slice of this type into the given [Hasher
]. Read more
impl<T> Index<Index> for Arena<T>
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impl<T> Index<Index> for Arena<T>
type Output = T
The returned type after indexing.
fn index(&self, index: Index) -> &Self::Output
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fn index(&self, index: Index) -> &Self::Output
Performs the indexing (container[index]
) operation.
impl<T> IndexMut<Index> for Arena<T>
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impl<T> IndexMut<Index> for Arena<T>