# Struct ordered_multimap::list_ordered_multimap::VacantEntry

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    pub struct VacantEntry<'map, Key, Value, State = RandomState> { /* private fields */ }

Expand description

A view into a vacant entry in the multimap.

## Implementations

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### impl<'map, Key, Value, State> VacantEntry<'map, Key, Value, State> where
Key: Eq + Hash,
State: BuildHasher,

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#### pub fn insert(self, value: Value) -> &'map mut Value

##### Examples

    use ordered_multimap::ListOrderedMultimap;
    use ordered_multimap::list_ordered_multimap::Entry;

    let mut map = ListOrderedMultimap::new();

    let mut entry = match map.entry("key") {
        Entry::Vacant(entry) => entry,
        _ => panic!("expected vacant entry")
    };

    assert_eq!(entry.insert("value"), &"value");

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#### pub fn insert_entry(self, value: Value) -> OccupiedEntry<'map, Key, Value>

##### Examples

    use ordered_multimap::ListOrderedMultimap;
    use ordered_multimap::list_ordered_multimap::Entry;

    let mut map = ListOrderedMultimap::new();

    let mut entry = match map.entry("key") {
        Entry::Vacant(entry) => entry,
        _ => panic!("expected vacant entry")
    };

    let mut entry = entry.insert_entry("value");
    assert_eq!(entry.get(), &"value");

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#### pub fn into_key(self) -> Key

##### Examples

    use ordered_multimap::ListOrderedMultimap;
    use ordered_multimap::list_ordered_multimap::Entry;

    let mut map: ListOrderedMultimap<&str, &str> = ListOrderedMultimap::new();

    let mut entry = match map.entry("key") {
        Entry::Vacant(entry) => entry,
        _ => panic!("expected vacant entry")
    };

    assert_eq!(entry.into_key(), "key");

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#### pub fn key(&self) -> &Key

##### Examples

    use ordered_multimap::ListOrderedMultimap;
    use ordered_multimap::list_ordered_multimap::Entry;

    let mut map: ListOrderedMultimap<&str, &str> = ListOrderedMultimap::new();

    let mut entry = match map.entry("key") {
        Entry::Vacant(entry) => entry,
        _ => panic!("expected vacant entry")
    };

    assert_eq!(entry.key(), &"key");

## Trait Implementations

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### impl<Key, Value, State> Debug for VacantEntry<'_, Key, Value, State> where
Key: Debug,

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

Formats the value using the given formatter. Read more

## Auto Trait Implementations

### impl<'map, Key, Value, State> RefUnwindSafe for VacantEntry<'map, Key, Value, State> where
Key: RefUnwindSafe,
State: RefUnwindSafe,
Value: RefUnwindSafe,

### impl<'map, Key, Value, State> Send for VacantEntry<'map, Key, Value, State> where
Key: Send,
State: Sync,
Value: Send,

### impl<'map, Key, Value, State> Sync for VacantEntry<'map, Key, Value, State> where
Key: Sync,
State: Sync,
Value: Sync,

### impl<'map, Key, Value, State> Unpin for VacantEntry<'map, Key, Value, State> where
Key: Unpin,

### impl<'map, Key, Value, State = RandomState> !UnwindSafe for VacantEntry<'map, Key, Value, State>

## 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,

const: unstable · source

#### 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,

const: unstable · source

#### fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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### impl<T> From<T> for T

const: unstable · source

#### fn from(t: T) -> T

Returns the argument unchanged.

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### impl<T, U> Into<U> for T where
U: From<T>,

const: unstable · source

#### 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, U> TryFrom<U> for T where
U: Into<T>,

#### type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

#### 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>,

#### type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

const: unstable · source

#### fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.