# Struct cargo::util::config::de::ConfigMapAccess

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    struct ConfigMapAccess<'config> {
        de: Deserializer<'config>,
        fields: Vec<KeyKind>,
        field_index: usize,
    }

## Fields§

§`de: Deserializer<'config>`§`fields: Vec<KeyKind>`

The fields that this map should deserialize.

§`field_index: usize`

Current field being deserialized.

## Implementations§

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### impl<'config> ConfigMapAccess<'config>

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#### fn new_map( de: Deserializer<'config> ) -> Result<ConfigMapAccess<'config>, ConfigError>

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#### fn new_struct( de: Deserializer<'config>, given_fields: &'static [&'static str] ) -> Result<ConfigMapAccess<'config>, ConfigError>

## Trait Implementations§

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### impl<'de, 'config> MapAccess<'de> for ConfigMapAccess<'config>

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#### type Error = ConfigError

The error type that can be returned if some error occurs during deserialization.
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#### fn next_key_seed<K>(&mut self, seed: K) -> Result<Option<K::Value>, Self::Error>where K: DeserializeSeed<'de>,

This returns `Ok(Some(key))` for the next key in the map, or `Ok(None)` if there are no more remaining entries. Read more
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#### fn next_value_seed<V>(&mut self, seed: V) -> Result<V::Value, Self::Error>where V: DeserializeSeed<'de>,

This returns a `Ok(value)` for the next value in the map. Read more
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#### fn next_entry_seed<K, V>( &mut self, kseed: K, vseed: V ) -> Result<Option<(<K as DeserializeSeed<'de>>::Value, <V as DeserializeSeed<'de>>::Value)>, Self::Error>where K: DeserializeSeed<'de>, V: DeserializeSeed<'de>,

This returns `Ok(Some((key, value)))` for the next (key-value) pair in the map, or `Ok(None)` if there are no more remaining items. Read more
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#### fn next_key<K>(&mut self) -> Result<Option<K>, Self::Error>where K: Deserialize<'de>,

This returns `Ok(Some(key))` for the next key in the map, or `Ok(None)` if there are no more remaining entries. Read more
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#### fn next_value<V>(&mut self) -> Result<V, Self::Error>where V: Deserialize<'de>,

This returns a `Ok(value)` for the next value in the map. Read more
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#### fn next_entry<K, V>(&mut self) -> Result<Option<(K, V)>, Self::Error>where K: Deserialize<'de>, V: Deserialize<'de>,

This returns `Ok(Some((key, value)))` for the next (key-value) pair in the map, or `Ok(None)` if there are no more remaining items. Read more
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#### fn size_hint(&self) -> Option<usize>

Returns the number of entries remaining in the map, if known.

## Auto Trait Implementations§

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### impl<'config> !RefUnwindSafe for ConfigMapAccess<'config>

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### impl<'config> !Send for ConfigMapAccess<'config>

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### impl<'config> !Sync for ConfigMapAccess<'config>

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### impl<'config> Unpin for ConfigMapAccess<'config>

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### impl<'config> !UnwindSafe for ConfigMapAccess<'config>

## Blanket Implementations§

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### impl<T> Any for Twhere 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 Twhere 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 Twhere 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<T> From<T> for T

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

Returns the argument unchanged.

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### impl<T, U> Into<U> for Twhere 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> Same<T> for T

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#### type Output = T

Should always be `Self`
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### impl<T, U> TryFrom<U> for Twhere 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 Twhere 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 Twhere V: MultiLane<T>,

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

## 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:96 bytes