Enum OccupiedEntryMut

pub enum OccupiedEntryMut<'a, T: BiHashItem, S: Clone + BuildHasher = DefaultHashBuilder> {
    Unique(RefMut<'a, T, S>),
    NonUnique {
        by_key1: Option<RefMut<'a, T, S>>,
        by_key2: Option<RefMut<'a, T, S>>,
    },
}

A mutable view into an occupied entry in a BiHashMap.

Returned by OccupiedEntry::get_mut.

Variants

Unique(RefMut<'a, T, S>)

All keys point to the same entry.

NonUnique

The keys point to different entries, or some keys are not present.

Fields

by_key1: Option<RefMut<'a, T, S>>

The value fetched by the first key.

by_key2: Option<RefMut<'a, T, S>>

The value fetched by the second key.

Implementations

impl<'a, T: BiHashItem, S: Clone + BuildHasher> OccupiedEntryMut<'a, T, S>

pub fn is_unique(&self) -> bool

Returns true if the entry is unique.

pub fn is_non_unique(&self) -> bool

Returns true if the OccupiedEntryMut represents more than one item, or if some keys are not present.

pub fn as_unique(&mut self) -> Option<RefMut<'_, T, S>>

Returns a reference to the value if it is unique.

pub fn by_key1(&mut self) -> Option<RefMut<'_, T, S>>

Returns a mutable reference to the value fetched by the first key.

pub fn by_key2(&mut self) -> Option<RefMut<'_, T, S>>

Returns a mutable reference to the value fetched by the second key.

pub fn for_each<F>(&mut self, f: F)

where F: FnMut(RefMut<'_, T, S>),

Calls a callback for each value.

Trait Implementations

impl<'a, T: BiHashItem + Debug, S: Clone + BuildHasher> Debug for OccupiedEntryMut<'a, T, S>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.