# Struct std::collections::btree_map::OccupiedEntry 1.0.0 [−] [src]

    pub struct OccupiedEntry<'a, K, V> where K: 'a, V: 'a {
        // some fields omitted
    }

An occupied Entry.

## Methods

### `impl<'a, K, V> OccupiedEntry<'a, K, V> where K: Ord`

#### `fn key(&self) -> &K`

Unstable (`map_entry_keys` #32281)

Gets a reference to the key in the entry.

#### `fn get(&self) -> &V`

Gets a reference to the value in the entry.

#### `fn get_mut(&mut self) -> &mut V`

Gets a mutable reference to the value in the entry.

#### `fn into_mut(self) -> &'a mut V`

Converts the entry into a mutable reference to its value.

#### `fn insert(&mut self, value: V) -> V`

Sets the value of the entry with the OccupiedEntry's key, and returns the entry's old value.

#### `fn remove(self) -> V`

Takes the value of the entry out of the map, and returns it.

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