Struct wasmtime_environ::SecondaryMap

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pub struct SecondaryMap<K, V> where
    K: EntityRef,
    V: Clone,  { /* private fields */ }

Expand description

A mapping K -> V for densely indexed entity references.

The SecondaryMap data structure uses the dense index space to implement a map with a vector. Unlike PrimaryMap, an SecondaryMap can’t be used to allocate entity references. It is used to associate secondary information with entities.

The map does not track if an entry for a key has been inserted or not. Instead it behaves as if all keys have a default entry from the beginning.

Implementations

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impl<K, V> SecondaryMap<K, V> where
K: EntityRef,
V: Clone,

Shared SecondaryMap implementation for all value types.

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pub fn new() -> SecondaryMap<K, V> where
V: Default,

Create a new empty map.

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pub fn with_capacity(capacity: usize) -> SecondaryMap<K, V> where
V: Default,

Create a new, empty map with the specified capacity.

The map will be able to hold exactly capacity elements without reallocating.

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pub fn with_default(default: V) -> SecondaryMap<K, V>

Create a new empty map with a specified default value.

This constructor does not require V to implement Default.

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pub fn capacity(&self) -> usize

Returns the number of elements the map can hold without reallocating.

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

Get the element at k if it exists.

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pub fn is_empty(&self) -> bool

Is this map completely empty?

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pub fn clear(&mut self)

Remove all entries from this map.

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pub fn iter(&self) -> Iter<'_, K, V>ⓘNotable traits for Iter<'a, K, V>`impl<'a, K, V> Iterator for Iter<'a, K, V> where K: EntityRef, type Item = (K, &'a V);`

Iterate over all the keys and values in this map.

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pub fn iter_mut(&mut self) -> IterMut<'_, K, V>ⓘNotable traits for IterMut<'a, K, V>`impl<'a, K, V> Iterator for IterMut<'a, K, V> where K: EntityRef, type Item = (K, &'a mut V);`

Iterate over all the keys and values in this map, mutable edition.

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pub fn keys(&self) -> Keys<K>ⓘNotable traits for Keys<K>`impl<K> Iterator for Keys<K> where K: EntityRef, type Item = K;`

Iterate over all the keys in this map.

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pub fn values(&self) -> Iter<'_, V>ⓘNotable traits for Iter<'a, T>`impl<'a, T> Iterator for Iter<'a, T> type Item = &'a T;`

Iterate over all the values in this map.

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pub fn values_mut(&mut self) -> IterMut<'_, V>ⓘNotable traits for IterMut<'a, T>`impl<'a, T> Iterator for IterMut<'a, T> type Item = &'a mut T;`

Iterate over all the values in this map, mutable edition.

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pub fn resize(&mut self, n: usize)

Resize the map to have n entries by adding default entries as needed.

Trait Implementations

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impl<K, V> Clone for SecondaryMap<K, V> where
K: Clone + EntityRef,
V: Clone,

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

Returns a copy of the value. Read more

1.0.0 · source

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl<K, V> Debug for SecondaryMap<K, V> where
K: Debug + EntityRef,
V: Debug + Clone,

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

Formats the value using the given formatter. Read more

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impl<K, V> Default for SecondaryMap<K, V> where
K: EntityRef,
V: Clone + Default,

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fn default() -> SecondaryMap<K, V>

Returns the “default value” for a type. Read more

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impl<'de, K, V> Deserialize<'de> for SecondaryMap<K, V> where
K: EntityRef,
V: Clone + Deserialize<'de>,

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fn deserialize<D>(
deserializer: D
) -> Result<SecondaryMap<K, V>, <D as Deserializer<'de>>::Error> where
D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more

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impl<K, V> Hash for SecondaryMap<K, V> where
K: Hash + EntityRef,
V: Hash + Clone,

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

Feeds this value into the given Hasher. Read more

1.3.0 · source

fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,

Feeds a slice of this type into the given Hasher. Read more

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impl<K, V> Index<K> for SecondaryMap<K, V> where
K: EntityRef,
V: Clone,

Immutable indexing into an SecondaryMap.

All keys are permitted. Untouched entries have the default value.

type Output = V

The returned type after indexing.

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fn index(&self, k: K) -> &V

Performs the indexing (container[index]) operation. Read more

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impl<K, V> IndexMut<K> for SecondaryMap<K, V> where
K: EntityRef,
V: Clone,

Mutable indexing into an SecondaryMap.

The map grows as needed to accommodate new keys.

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fn index_mut(&mut self, k: K) -> &mut V

Performs the mutable indexing (container[index]) operation. Read more

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impl<K, V> PartialEq<SecondaryMap<K, V>> for SecondaryMap<K, V> where
K: EntityRef,
V: Clone + PartialEq<V>,

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

This method tests for self and other values to be equal, and is used by ==. Read more

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fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

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impl<K, V> Serialize for SecondaryMap<K, V> where
K: EntityRef,
V: Clone + PartialEq<V> + Serialize,

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fn serialize<S>(
 &self,
 serializer: S
) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error> where
 S: Serializer,

Serialize this value into the given Serde serializer. Read more

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impl<K, V> Eq for SecondaryMap<K, V> where
K: EntityRef,
V: Clone + PartialEq<V> + Eq,

Auto Trait Implementations

impl<K, V> RefUnwindSafe for SecondaryMap<K, V> where
K: RefUnwindSafe,
V: RefUnwindSafe,

impl<K, V> Send for SecondaryMap<K, V> where
K: Send,
V: Send,

impl<K, V> Sync for SecondaryMap<K, V> where
K: Sync,
V: Sync,

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

impl<K, V> UnwindSafe for SecondaryMap<K, V> where
K: UnwindSafe,
V: UnwindSafe,

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<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

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into 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> ToOwned for T where
T: Clone,

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)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T, U> TryFrom 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>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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Struct wasmtime_environ::SecondaryMap

Implementations

impl<K, V> SecondaryMap<K, V> where K: EntityRef, V: Clone,

pub fn new() -> SecondaryMap<K, V> where V: Default,

pub fn with_capacity(capacity: usize) -> SecondaryMap<K, V> where V: Default,

pub fn with_default(default: V) -> SecondaryMap<K, V>

pub fn capacity(&self) -> usize

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

pub fn is_empty(&self) -> bool

pub fn clear(&mut self)

pub fn iter(&self) -> Iter<'_, K, V>ⓘNotable traits for Iter<'a, K, V>impl<'a, K, V> Iterator for Iter<'a, K, V> where K: EntityRef, type Item = (K, &'a V);

pub fn iter_mut(&mut self) -> IterMut<'_, K, V>ⓘNotable traits for IterMut<'a, K, V>impl<'a, K, V> Iterator for IterMut<'a, K, V> where K: EntityRef, type Item = (K, &'a mut V);

pub fn keys(&self) -> Keys<K>ⓘNotable traits for Keys<K>impl<K> Iterator for Keys<K> where K: EntityRef, type Item = K;

pub fn values(&self) -> Iter<'_, V>ⓘNotable traits for Iter<'a, T>impl<'a, T> Iterator for Iter<'a, T> type Item = &'a T;

pub fn values_mut(&mut self) -> IterMut<'_, V>ⓘNotable traits for IterMut<'a, T>impl<'a, T> Iterator for IterMut<'a, T> type Item = &'a mut T;

pub fn resize(&mut self, n: usize)

Trait Implementations

impl<K, V> Clone for SecondaryMap<K, V> where K: Clone + EntityRef, V: Clone,

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

fn clone_from(&mut self, source: &Self)

impl<K, V> Debug for SecondaryMap<K, V> where K: Debug + EntityRef, V: Debug + Clone,

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

impl<K, V> Default for SecondaryMap<K, V> where K: EntityRef, V: Clone + Default,

fn default() -> SecondaryMap<K, V>

impl<'de, K, V> Deserialize<'de> for SecondaryMap<K, V> where K: EntityRef, V: Clone + Deserialize<'de>,

fn deserialize<D>( deserializer: D) -> Result<SecondaryMap<K, V>, <D as Deserializer<'de>>::Error> where D: Deserializer<'de>,

impl<K, V> Hash for SecondaryMap<K, V> where K: Hash + EntityRef, V: Hash + Clone,

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

fn hash_slice<H>(data: &[Self], state: &mut H) where H: Hasher,

impl<K, V> Index<K> for SecondaryMap<K, V> where K: EntityRef, V: Clone,

type Output = V

fn index(&self, k: K) -> &V

impl<K, V> IndexMut<K> for SecondaryMap<K, V> where K: EntityRef, V: Clone,

fn index_mut(&mut self, k: K) -> &mut V

impl<K, V> PartialEq<SecondaryMap<K, V>> for SecondaryMap<K, V> where K: EntityRef, V: Clone + PartialEq<V>,

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

fn ne(&self, other: &Rhs) -> bool

impl<K, V> Serialize for SecondaryMap<K, V> where K: EntityRef, V: Clone + PartialEq<V> + Serialize,

fn serialize<S>( &self, serializer: S) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error> where S: Serializer,

impl<K, V> Eq for SecondaryMap<K, V> where K: EntityRef, V: Clone + PartialEq<V> + Eq,

Auto Trait Implementations

impl<K, V> RefUnwindSafe for SecondaryMap<K, V> where K: RefUnwindSafe, V: RefUnwindSafe,

impl<K, V> Send for SecondaryMap<K, V> where K: Send, V: Send,

impl<K, V> Sync for SecondaryMap<K, V> where K: Sync, V: Sync,

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

impl<K, V> UnwindSafe for SecondaryMap<K, V> where K: UnwindSafe, V: UnwindSafe,

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

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

impl<Q, K> Equivalent<K> for Q where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for T where U: From<T>,

fn into(self) -> U

impl<T> ToOwned for T where T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

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

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<T> DeserializeOwned for T where T: for<'de> Deserialize<'de>,

impl<K, V> SecondaryMap<K, V> where
K: EntityRef,
V: Clone,

pub fn new() -> SecondaryMap<K, V> where
V: Default,

pub fn with_capacity(capacity: usize) -> SecondaryMap<K, V> where
V: Default,

pub fn iter(&self) -> Iter<'_, K, V>ⓘNotable traits for Iter<'a, K, V>`impl<'a, K, V> Iterator for Iter<'a, K, V> where K: EntityRef, type Item = (K, &'a V);`

pub fn iter_mut(&mut self) -> IterMut<'_, K, V>ⓘNotable traits for IterMut<'a, K, V>`impl<'a, K, V> Iterator for IterMut<'a, K, V> where K: EntityRef, type Item = (K, &'a mut V);`

pub fn keys(&self) -> Keys<K>ⓘNotable traits for Keys<K>`impl<K> Iterator for Keys<K> where K: EntityRef, type Item = K;`

pub fn values(&self) -> Iter<'_, V>ⓘNotable traits for Iter<'a, T>`impl<'a, T> Iterator for Iter<'a, T> type Item = &'a T;`

pub fn values_mut(&mut self) -> IterMut<'_, V>ⓘNotable traits for IterMut<'a, T>`impl<'a, T> Iterator for IterMut<'a, T> type Item = &'a mut T;`

impl<K, V> Clone for SecondaryMap<K, V> where
K: Clone + EntityRef,
V: Clone,

impl<K, V> Debug for SecondaryMap<K, V> where
K: Debug + EntityRef,
V: Debug + Clone,

impl<K, V> Default for SecondaryMap<K, V> where
K: EntityRef,
V: Clone + Default,

impl<'de, K, V> Deserialize<'de> for SecondaryMap<K, V> where
K: EntityRef,
V: Clone + Deserialize<'de>,

fn deserialize<D>(
deserializer: D
) -> Result<SecondaryMap<K, V>, <D as Deserializer<'de>>::Error> where
D: Deserializer<'de>,

impl<K, V> Hash for SecondaryMap<K, V> where
K: Hash + EntityRef,
V: Hash + Clone,

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

fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,

impl<K, V> Index<K> for SecondaryMap<K, V> where
K: EntityRef,
V: Clone,

impl<K, V> IndexMut<K> for SecondaryMap<K, V> where
K: EntityRef,
V: Clone,

impl<K, V> PartialEq<SecondaryMap<K, V>> for SecondaryMap<K, V> where
K: EntityRef,
V: Clone + PartialEq<V>,

impl<K, V> Serialize for SecondaryMap<K, V> where
K: EntityRef,
V: Clone + PartialEq<V> + Serialize,

fn serialize<S>(
&self,
serializer: S
) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error> where
S: Serializer,

impl<K, V> Eq for SecondaryMap<K, V> where
K: EntityRef,
V: Clone + PartialEq<V> + Eq,

impl<K, V> RefUnwindSafe for SecondaryMap<K, V> where
K: RefUnwindSafe,
V: RefUnwindSafe,

impl<K, V> Send for SecondaryMap<K, V> where
K: Send,
V: Send,

impl<K, V> Sync for SecondaryMap<K, V> where
K: Sync,
V: Sync,

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

impl<K, V> UnwindSafe for SecondaryMap<K, V> where
K: UnwindSafe,
V: UnwindSafe,

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<Q, K> Equivalent<K> for Q where
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T> ToOwned for T where
T: Clone,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

impl<T> DeserializeOwned for T where
T: for<'de> Deserialize<'de>,