# Struct toml::map::VacantEntry

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    pub struct VacantEntry<'a> { /* private fields */ }

Expand description

A vacant Entry. It is part of the `Entry` enum.

## Implementations

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### impl<'a> VacantEntry<'a>

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

Gets a reference to the key that would be used when inserting a value through the VacantEntry.

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

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

## Auto Trait Implementations

### impl<'a> RefUnwindSafe for VacantEntry<'a>

### impl<'a> Send for VacantEntry<'a>

### impl<'a> Sync for VacantEntry<'a>

### impl<'a> Unpin for VacantEntry<'a>

### impl<'a> !UnwindSafe for VacantEntry<'a>

## 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.