Struct indexical::map::DenseIndexMap
source · pub struct DenseIndexMap<'a, K: IndexedValue + 'a, V, P: PointerFamily<'a>> { /* private fields */ }
Expand description
A mapping from indexed keys to values, implemented densely with a vector.
This is more time-efficient than the SparseIndexMap
for lookup,
but it consumes more memory for missing elements.
Implementations§
source§impl<'a, K, V, P> DenseIndexMap<'a, K, V, P>where
K: IndexedValue + 'a,
P: PointerFamily<'a>,
impl<'a, K, V, P> DenseIndexMap<'a, K, V, P>where K: IndexedValue + 'a, P: PointerFamily<'a>,
sourcepub fn new(
domain: &P::Pointer<IndexedDomain<K>>,
mk_elem: impl FnMut(K::Index) -> V
) -> Self
pub fn new( domain: &P::Pointer<IndexedDomain<K>>, mk_elem: impl FnMut(K::Index) -> V ) -> Self
Constructs a new map with an initial element of mk_elem(i)
for each i
in domain
.
sourcepub fn get<M>(&self, idx: impl ToIndex<K, M>) -> Option<&V>
pub fn get<M>(&self, idx: impl ToIndex<K, M>) -> Option<&V>
Returns an immutable reference to a value for a given key if it exists.
sourcepub fn get_mut<M>(&mut self, idx: impl ToIndex<K, M>) -> Option<&mut V>
pub fn get_mut<M>(&mut self, idx: impl ToIndex<K, M>) -> Option<&mut V>
Returns a mutable reference to a value for a given key if it exists.
sourcepub unsafe fn get_unchecked<M>(&self, idx: impl ToIndex<K, M>) -> &V
pub unsafe fn get_unchecked<M>(&self, idx: impl ToIndex<K, M>) -> &V
Returns a reference to a value for a given key.
Safety
This function has undefined behavior if key
is not in self
.
sourcepub unsafe fn get_unchecked_mut<M>(&mut self, idx: impl ToIndex<K, M>) -> &mut V
pub unsafe fn get_unchecked_mut<M>(&mut self, idx: impl ToIndex<K, M>) -> &mut V
Returns a mutable reference to a value for a given key.
Safety
This function has undefined behavior if key
is not in self
.
Trait Implementations§
source§impl<'a, K, V, P> Index<<K as IndexedValue>::Index> for DenseIndexMap<'a, K, V, P>where
K: IndexedValue + 'a,
P: PointerFamily<'a>,
impl<'a, K, V, P> Index<<K as IndexedValue>::Index> for DenseIndexMap<'a, K, V, P>where K: IndexedValue + 'a, P: PointerFamily<'a>,
source§impl<'a, K, V, P> IndexMut<<K as IndexedValue>::Index> for DenseIndexMap<'a, K, V, P>where
K: IndexedValue + 'a,
P: PointerFamily<'a>,
impl<'a, K, V, P> IndexMut<<K as IndexedValue>::Index> for DenseIndexMap<'a, K, V, P>where K: IndexedValue + 'a, P: PointerFamily<'a>,
Auto Trait Implementations§
impl<'a, K, V, P> RefUnwindSafe for DenseIndexMap<'a, K, V, P>where V: RefUnwindSafe, <P as PointerFamily<'a>>::Pointer<IndexedDomain<K>>: RefUnwindSafe,
impl<'a, K, V, P> Send for DenseIndexMap<'a, K, V, P>where V: Send, <P as PointerFamily<'a>>::Pointer<IndexedDomain<K>>: Send,
impl<'a, K, V, P> Sync for DenseIndexMap<'a, K, V, P>where V: Sync, <P as PointerFamily<'a>>::Pointer<IndexedDomain<K>>: Sync,
impl<'a, K, V, P> Unpin for DenseIndexMap<'a, K, V, P>where V: Unpin, <P as PointerFamily<'a>>::Pointer<IndexedDomain<K>>: Unpin,
impl<'a, K, V, P> UnwindSafe for DenseIndexMap<'a, K, V, P>where V: UnwindSafe, <P as PointerFamily<'a>>::Pointer<IndexedDomain<K>>: UnwindSafe,
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