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LookupMap

Struct LookupMap 

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pub struct LookupMap<K1, K2, V>
where K1: Hash + Eq + Serialize, K2: Hash + Eq + Serialize, V: Serialize + DeserializeOwned,
{ pub logger: Logger, /* private fields */ }
Expand description

A special case of crate::lookup::LookupTable where the value of the HashMap is another HashMap<K2, V>.

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§logger: Logger

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impl<K1, K2, V> LookupMap<K1, K2, V>

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pub fn insert(&mut self, k1: K1, k2: K2, v: V) -> DbResult<Option<V>>

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pub fn create_key(&mut self, key: K1) -> DbResult<Option<HashMap<K2, V>>>

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pub fn remove(&mut self, k1: &K1, k2: &K2) -> DbResult<Option<V>>

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pub fn clear_key(&mut self, k1: &K1) -> DbResult<Option<HashMap<K2, V>>>

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pub fn get(&self) -> &HashMap<K1, HashMap<K2, V>>

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pub fn clear(&mut self) -> DbResult<()>

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impl<K1, K2, V> Debug for LookupMap<K1, K2, V>

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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<K1, K2, V> Table for LookupMap<K1, K2, V>

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fn init(table_id: TableId, logger: Logger) -> Self

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fn handle_event(&mut self, bytes: &[u8]) -> DbResult<()>

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fn compact_repr(&self) -> DbResult<Vec<u8>>

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impl<K1, K2, V> Freeze for LookupMap<K1, K2, V>

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impl<K1, K2, V> RefUnwindSafe for LookupMap<K1, K2, V>

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impl<K1, K2, V> Send for LookupMap<K1, K2, V>
where K1: Send, K2: Send, V: Send,

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impl<K1, K2, V> Sync for LookupMap<K1, K2, V>
where K1: Sync, K2: Sync, V: Sync,

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impl<K1, K2, V> Unpin for LookupMap<K1, K2, V>
where K1: Unpin, K2: Unpin, V: Unpin,

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impl<K1, K2, V> UnwindSafe for LookupMap<K1, K2, V>
where K1: UnwindSafe, K2: UnwindSafe, V: UnwindSafe,

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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<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 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, 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.