# Enum cargo::util::context::ConfigValue

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    pub enum ConfigValue {
        Integer(i64, Definition),
        String(String, Definition),
        List(Vec<(String, Definition)>, Definition),
        Table(HashMap<String, ConfigValue>, Definition),
        Boolean(bool, Definition),
    }

## Variants§

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### Integer(i64, Definition)

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### String(String, Definition)

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### List(Vec<(String, Definition)>, Definition)

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### Table(HashMap<String, ConfigValue>, Definition)

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### Boolean(bool, Definition)

## Implementations§

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### impl ConfigValue

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#### fn from_toml(def: Definition, toml: Value) -> CargoResult<ConfigValue>

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#### fn into_toml(self) -> Value

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#### fn merge(&mut self, from: ConfigValue, force: bool) -> CargoResult<()>

Merge the given value into self.

If `force` is true, primitive (non-container) types will override existing values of equal priority. For arrays, incoming values of equal priority will be placed later.

Container types (tables and arrays) are merged with existing values.

Container and non-container types cannot be mixed.

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#### pub fn i64(&self, key: &str) -> CargoResult<(i64, &Definition)>

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#### pub fn string(&self, key: &str) -> CargoResult<(&str, &Definition)>

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#### pub fn table( &self, key: &str ) -> CargoResult<(&HashMap<String, ConfigValue>, &Definition)>

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#### pub fn list(&self, key: &str) -> CargoResult<&[(String, Definition)]>

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#### pub fn boolean(&self, key: &str) -> CargoResult<(bool, &Definition)>

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#### pub fn desc(&self) -> &'static str

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#### pub fn definition(&self) -> &Definition

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#### fn expected<T>(&self, wanted: &str, key: &str) -> CargoResult<T>

## Trait Implementations§

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### impl Clone for ConfigValue

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#### fn clone(&self) -> ConfigValue

Returns a copy of the value. Read more
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#### fn clone_from(&mut self, source: &Self)

Performs copy-assignment from `source`. Read more
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### impl Debug for ConfigValue

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

Formats the value using the given formatter. Read more
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### impl PartialEq for ConfigValue

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#### fn eq(&self, other: &ConfigValue) -> bool

This method tests for `self` and `other` values to be equal, and is used by `==`.
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#### fn ne(&self, other: &Rhs) -> bool

This method tests for `!=`. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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### impl Eq for ConfigValue

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### impl StructuralPartialEq for ConfigValue

## Auto Trait Implementations§

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### impl Freeze for ConfigValue

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### impl RefUnwindSafe for ConfigValue

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### impl Send for ConfigValue

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### impl Sync for ConfigValue

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### impl Unpin for ConfigValue

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### impl UnwindSafe for ConfigValue

## 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,

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#### 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,

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

Mutably borrows from an owned value. Read more
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### impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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#### fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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### impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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#### fn equivalent(&self, key: &K) -> bool

Compare self to `key` and return `true` if they are equal.
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### impl<T> From<T> for T

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

Returns the argument unchanged.

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### impl<T> Instrument for T

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#### fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [`Span`], returning an `Instrumented` wrapper. Read more
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#### fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current `Span`, returning an `Instrumented` wrapper. Read more
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### impl<T, U> Into<U> for T
where U: From<T>,

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#### 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> Pointable for T

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#### const ALIGN: usize = _

The alignment of pointer.
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#### type Init = T

The type for initializers.
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#### unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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#### unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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#### unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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#### unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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### impl<T> Same for T

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#### type Output = T

Should always be `Self`
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### impl<T> ToOwned for T
where T: Clone,

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#### type Owned = T

The resulting type after obtaining ownership.
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#### fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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#### fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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### impl<T, U> TryFrom<U> for T
where U: Into<T>,

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#### type Error = Infallible

The type returned in the event of a conversion error.
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#### 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>,

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

The type returned in the event of a conversion error.
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#### fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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### impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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#### fn vzip(self) -> V

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### impl<T> WithSubscriber for T

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#### fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided `Subscriber` to this type, returning a [`WithDispatch`] wrapper. Read more
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#### fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default `Subscriber` to this type, returning a [`WithDispatch`] wrapper. Read more

## Layout§

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain `repr(...)` attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 80 bytes

Size for each variant:

- `Integer`: 48 bytes
- `String`: 64 bytes
- `List`: 64 bytes
- `Table`: 80 bytes
- `Boolean`: 48 bytes