Struct salsa::DatabaseKeyIndex [−][src]
pub struct DatabaseKeyIndex { /* fields omitted */ }
Expand description
An integer that uniquely identifies a particular query instance within the database. Used to track dependencies between queries. Fully ordered and equatable but those orderings are arbitrary, and meant to be used only for inserting into maps and the like.
Implementations
impl DatabaseKeyIndex
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impl DatabaseKeyIndex
[src]pub fn group_index(self) -> u16
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pub fn group_index(self) -> u16
[src]Returns the index of the query group containing this key.
pub fn query_index(self) -> u16
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pub fn query_index(self) -> u16
[src]Returns the index of the query within its query group.
Trait Implementations
impl Clone for DatabaseKeyIndex
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impl Clone for DatabaseKeyIndex
[src]fn clone(&self) -> DatabaseKeyIndex
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fn clone(&self) -> DatabaseKeyIndex
[src]Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0[src]
fn clone_from(&mut self, source: &Self)
1.0.0[src]Performs copy-assignment from source
. Read more
impl Debug for DatabaseKeyIndex
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impl Debug for DatabaseKeyIndex
[src]impl Hash for DatabaseKeyIndex
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impl Hash for DatabaseKeyIndex
[src]impl Ord for DatabaseKeyIndex
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impl Ord for DatabaseKeyIndex
[src]impl PartialEq<DatabaseKeyIndex> for DatabaseKeyIndex
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impl PartialEq<DatabaseKeyIndex> for DatabaseKeyIndex
[src]fn eq(&self, other: &DatabaseKeyIndex) -> bool
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fn eq(&self, other: &DatabaseKeyIndex) -> bool
[src]This method tests for self
and other
values to be equal, and is used
by ==
. Read more
fn ne(&self, other: &DatabaseKeyIndex) -> bool
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fn ne(&self, other: &DatabaseKeyIndex) -> bool
[src]This method tests for !=
.
impl PartialOrd<DatabaseKeyIndex> for DatabaseKeyIndex
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impl PartialOrd<DatabaseKeyIndex> for DatabaseKeyIndex
[src]fn partial_cmp(&self, other: &DatabaseKeyIndex) -> Option<Ordering>
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fn partial_cmp(&self, other: &DatabaseKeyIndex) -> Option<Ordering>
[src]This method returns an ordering between self
and other
values if one exists. Read more
#[must_use]fn lt(&self, other: &Rhs) -> bool
1.0.0[src]
#[must_use]fn lt(&self, other: &Rhs) -> bool
1.0.0[src]This method tests less than (for self
and other
) and is used by the <
operator. Read more
#[must_use]fn le(&self, other: &Rhs) -> bool
1.0.0[src]
#[must_use]fn le(&self, other: &Rhs) -> bool
1.0.0[src]This method tests less than or equal to (for self
and other
) and is used by the <=
operator. Read more
impl Copy for DatabaseKeyIndex
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impl Eq for DatabaseKeyIndex
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impl StructuralEq for DatabaseKeyIndex
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impl StructuralPartialEq for DatabaseKeyIndex
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Auto Trait Implementations
impl RefUnwindSafe for DatabaseKeyIndex
impl Send for DatabaseKeyIndex
impl Sync for DatabaseKeyIndex
impl Unpin for DatabaseKeyIndex
impl UnwindSafe for DatabaseKeyIndex
Blanket Implementations
impl<T> BorrowMut<T> for T where
T: ?Sized,
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impl<T> BorrowMut<T> for T where
T: ?Sized,
[src]pub fn borrow_mut(&mut self) -> &mut T
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pub fn borrow_mut(&mut self) -> &mut T
[src]Mutably borrows from an owned value. Read more
impl<Q, K> Equivalent<K> for Q where
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,
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impl<Q, K> Equivalent<K> for Q where
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,
[src]pub fn equivalent(&self, key: &K) -> bool
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pub fn equivalent(&self, key: &K) -> bool
[src]Compare self to key
and return true
if they are equal.
impl<T> ToOwned for T where
T: Clone,
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impl<T> ToOwned for T where
T: Clone,
[src]type Owned = T
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub fn to_owned(&self) -> T
[src]Creates owned data from borrowed data, usually by cloning. Read more
pub fn clone_into(&self, target: &mut T)
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pub fn clone_into(&self, target: &mut T)
[src]🔬 This is a nightly-only experimental API. (toowned_clone_into
)
recently added
Uses borrowed data to replace owned data, usually by cloning. Read more