Enum wasmer::Extern

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pub enum Extern {
    Function(Function),
    Global(Global),
    Table(Table),
    Memory(Memory),
}

Expand description

An Extern is the runtime representation of an entity that can be imported or exported.

Spec: https://webassembly.github.io/spec/core/exec/runtime.html#external-values

Variants

`Function(Function)`

A external Function.

`Global(Global)`

A external Global.

`Table(Table)`

A external Table.

`Memory(Memory)`

A external Memory.

Implementations

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impl Extern

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pub fn ty(&self) -> ExternType

Return the underlying type of the inner Extern.

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pub fn from_vm_export(store: &Store, export: Export) -> Self

Create an Extern from an wasmer_engine::Export.

Trait Implementations

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impl Clone for Extern

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fn clone(&self) -> Extern

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 Debug for Extern

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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<'a> Exportable<'a> for Extern

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fn to_export(&self) -> Export

This function is used when providedd the Extern as exportable, so it can be used while instantiating the Module. Read more

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fn get_self_from_extern(_extern: &'a Self) -> Result<&'a Self, ExportError>

Implementation of how to get the export corresponding to the implementing type from an Instance by name. Read more

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fn into_weak_instance_ref(&mut self)

Convert the extern internally to hold a weak reference to the InstanceRef. This is useful for preventing cycles, for example for data stored in a type implementing WasmerEnv. Read more

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impl From<Function> for Extern

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fn from(r: Function) -> Self

Performs the conversion.

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impl From<Global> for Extern

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fn from(r: Global) -> Self

Performs the conversion.

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impl From<Memory> for Extern

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fn from(r: Memory) -> Self

Performs the conversion.

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impl From<Table> for Extern

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fn from(r: Table) -> Self

Performs the conversion.

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impl MemoryUsage for Extern

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fn size_of_val(&self, visited: &mut dyn MemoryUsageTracker) -> usize

Returns the size of the referenced value in bytes. Read more

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impl StoreObject for Extern

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fn comes_from_same_store(&self, store: &Store) -> bool

Return true if the object Store is the same as the provided Store.

Auto Trait Implementations

impl !RefUnwindSafe for Extern

impl Send for Extern

impl Sync for Extern

impl Unpin for Extern

impl !UnwindSafe for Extern

Blanket Implementations

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

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pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> ArchivePointee for T

type ArchivedMetadata = ()

The archived version of the pointer metadata for this type.

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pub fn pointer_metadata(
&<T as ArchivePointee>::ArchivedMetadata
) -> <T as Pointee>::Metadata

Converts some archived metadata to the pointer metadata for itself.

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

const: unstable · source

pub 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

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

Mutably borrows from an owned value. Read more

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impl<F, W, T, D> Deserialize<With<T, W>, D> for F where
 W: DeserializeWith<F, T, D>,
 D: Fallible + ?Sized,
 F: ?Sized,

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pub fn deserialize(
&self,
deserializer: &mut D
) -> Result<With<T, W>, <D as Fallible>::Error>

Deserializes using the given deserializer

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impl<T> From<T> for T

const: unstable · source

pub 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 for T where
U: From<T>,

const: unstable · source

pub 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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pub const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

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pub unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

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pub unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

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pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

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pub unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

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impl<T> Pointee for T

type Metadata = ()

The type for metadata in pointers and references to Self.

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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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pub fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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pub 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

pub 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

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

Performs the conversion.

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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

Enum wasmer::Extern

Variants

Function(Function)

Global(Global)

Table(Table)

Memory(Memory)

Implementations

impl Extern

pub fn ty(&self) -> ExternType

pub fn from_vm_export(store: &Store, export: Export) -> Self

Trait Implementations

impl Clone for Extern

fn clone(&self) -> Extern

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

impl Debug for Extern

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

impl<'a> Exportable<'a> for Extern

fn to_export(&self) -> Export

fn get_self_from_extern(_extern: &'a Self) -> Result<&'a Self, ExportError>

fn into_weak_instance_ref(&mut self)

impl From<Function> for Extern

fn from(r: Function) -> Self

impl From<Global> for Extern

fn from(r: Global) -> Self

impl From<Memory> for Extern

fn from(r: Memory) -> Self

impl From<Table> for Extern

fn from(r: Table) -> Self

impl MemoryUsage for Extern

fn size_of_val(&self, visited: &mut dyn MemoryUsageTracker) -> usize

impl StoreObject for Extern

fn comes_from_same_store(&self, store: &Store) -> bool

Auto Trait Implementations

impl !RefUnwindSafe for Extern

impl Send for Extern

impl Sync for Extern

impl Unpin for Extern

impl !UnwindSafe for Extern

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

impl<T> ArchivePointee for T

type ArchivedMetadata = ()

pub fn pointer_metadata( &<T as ArchivePointee>::ArchivedMetadata) -> <T as Pointee>::Metadata

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

pub fn borrow(&self) -> &T

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

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

impl<F, W, T, D> Deserialize<With<T, W>, D> for F where W: DeserializeWith<F, T, D>, D: Fallible + ?Sized, F: ?Sized,

pub fn deserialize( &self, deserializer: &mut D) -> Result<With<T, W>, <D as Fallible>::Error>

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<T> Instrument for T

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

fn in_current_span(self) -> Instrumented<Self>

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

pub fn into(self) -> U

impl<T> Pointable for T

pub const ALIGN: usize

type Init = T

pub unsafe fn init(init: <T as Pointable>::Init) -> usize

pub unsafe fn deref<'a>(ptr: usize) -> &'a T

pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

pub unsafe fn drop(ptr: usize)

impl<T> Pointee for T

type Metadata = ()

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

type Owned = T

pub fn to_owned(&self) -> T

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

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

type Error = Infallible

pub 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

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

impl<T> WithSubscriber for T

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

fn with_current_subscriber(self) -> WithDispatch<Self>

`Function(Function)`

`Global(Global)`

`Table(Table)`

`Memory(Memory)`

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

pub fn pointer_metadata(
&<T as ArchivePointee>::ArchivedMetadata
) -> <T as Pointee>::Metadata

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

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

impl<F, W, T, D> Deserialize<With<T, W>, D> for F where
W: DeserializeWith<F, T, D>,
D: Fallible + ?Sized,
F: ?Sized,

pub fn deserialize(
&self,
deserializer: &mut D
) -> Result<With<T, W>, <D as Fallible>::Error>

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>,

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