# Struct std::collections::hash_map::VacantEntry [−] [src]

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

A view into a single empty location in a HashMap.

## Methods

### `impl<'a, K: 'a, V: 'a> VacantEntry<'a, K, V>`

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

Sets the value of the entry with the VacantEntry's key, and returns a mutable reference to it

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