Struct wasmi::Global

impl Global

pub fn new( ctx: impl AsContextMut, initial_value: Value, mutability: Mutability ) -> Self

Creates a new global variable to the store.

pub fn ty(&self, ctx: impl AsContext) -> GlobalType

Returns the GlobalType of the global variable.

pub fn set( &self, ctx: impl AsContextMut, new_value: Value ) -> Result<(), GlobalError>

Sets a new value to the global variable.

§Errors

If the global variable is immutable.
If there is a type mismatch between the global variable and the new value.

§Panics

Panics if ctx does not own this Global.

pub fn get(&self, ctx: impl AsContext) -> Value

Returns the current value of the global variable.

§Panics

Panics if ctx does not own this Global.

Trait Implementations§

impl Clone for Global

fn clone(&self) -> Global

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

impl Debug for Global

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

Formats the value using the given formatter. Read more

impl From<Global> for Extern

fn from(global: Global) -> Self

Converts to this type from the input type.

impl Copy for Global

Auto Trait Implementations§

impl UnwindSafe for Global

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

impl<T> Downcast for T
where T: Any,

fn into_any(self: Box<T>) -> Box<dyn Any>

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait.

fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.

fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.

fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.

impl<T> DowncastSync for T
where T: Any + Send + Sync,

fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Sync + Send>

Convert Arc<Trait> (where Trait: Downcast) to Arc<Any>. Arc<Any> can then be further downcast into Arc<ConcreteType> where ConcreteType implements Trait.