Struct Map

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pub struct Map<K, V> { /* private fields */ }
Expand description

Map data structure of HAMT.

Note that every method does not modify the original map but creates a new one if necessary.

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impl<K: Clone + Hash + PartialEq, V: Clone> Map<K, V>

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pub fn new() -> Self

Creates a new map.

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pub fn insert(&self, k: K, v: V) -> Self

Inserts a key-value pair into a map.

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pub fn delete(&self, k: &K) -> Option<Self>

Deletes a key and its corresponding value from a map.

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pub fn find(&self, k: &K) -> Option<&V>

Finds a key and its corresponding value in a map.

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pub fn first_rest(&self) -> Option<(&K, &V, Self)>

Removes the first element in a map and returns a new map containing the rest of elements.

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pub fn size(&self) -> usize

Returns a size of a map.

Trait Implementations§

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impl<K: Clone, V: Clone> Clone for Map<K, V>

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fn clone(&self) -> Map<K, V>

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<K: Debug, V: Debug> Debug for Map<K, 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<K: Hash, V: Hash> Hash for Map<K, V>

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl<'a, K, V> IntoIterator for &'a Map<K, V>

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type Item = (&'a K, &'a V)

The type of the elements being iterated over.
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type IntoIter = MapIterator<'a, K, V>

Which kind of iterator are we turning this into?
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fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value. Read more
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impl<K: PartialEq, V: PartialEq> PartialEq for Map<K, V>

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fn eq(&self, other: &Map<K, V>) -> bool

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<K: Eq, V: Eq> Eq for Map<K, V>

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impl<K, V> StructuralPartialEq for Map<K, V>

Auto Trait Implementations§

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impl<K, V> Freeze for Map<K, V>
where K: Freeze, V: Freeze,

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impl<K, V> RefUnwindSafe for Map<K, V>

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impl<K, V> Send for Map<K, V>
where K: Send + Sync, V: Send + Sync,

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impl<K, V> Sync for Map<K, V>
where K: Sync + Send, V: Sync + Send,

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impl<K, V> Unpin for Map<K, V>
where K: Unpin, V: Unpin,

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impl<K, V> UnwindSafe for Map<K, V>

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<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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> 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.