Struct Callback

pub struct Callback<T>
where
    T: ?Sized,
{ /* private fields */ }

Callback is a struct that owns a given Rust closure meant to be bound to JavaScript as a callback.

Implementations

impl<T> Callback<T>

pub fn new_with_args_0<R>(callback: T) -> Callback<dyn FnMut() -> R>

where T: 'static + FnMut() -> R, R: ReturnWasmAbi + 'static,

pub fn new_with_args_1<A, R>(callback: T) -> Callback<dyn FnMut(A) -> R>

where T: 'static + FnMut(A) -> R, A: FromWasmAbi + 'static, R: ReturnWasmAbi + 'static,

pub fn new_with_args_2<A, B, R>(callback: T) -> Callback<dyn FnMut(A, B) -> R>

where T: 'static + FnMut(A, B) -> R, A: FromWasmAbi + 'static, B: FromWasmAbi + 'static, R: ReturnWasmAbi + 'static,

pub fn new_with_args_3<A, B, C, R>( callback: T, ) -> Callback<dyn FnMut(A, B, C) -> R>

where T: 'static + FnMut(A, B, C) -> R, A: FromWasmAbi + 'static, B: FromWasmAbi + 'static, C: FromWasmAbi + 'static, R: ReturnWasmAbi + 'static,

pub fn new_with_args_4<A, B, C, D, R>( callback: T, ) -> Callback<dyn FnMut(A, B, C, D) -> R>

where T: 'static + FnMut(A, B, C, D) -> R, A: FromWasmAbi + 'static, B: FromWasmAbi + 'static, C: FromWasmAbi + 'static, D: FromWasmAbi + 'static, R: ReturnWasmAbi + 'static,

pub fn new_with_args_5<A, B, C, D, E, R>( callback: T, ) -> Callback<dyn FnMut(A, B, C, D, E) -> R>

where T: 'static + FnMut(A, B, C, D, E) -> R, A: FromWasmAbi + 'static, B: FromWasmAbi + 'static, C: FromWasmAbi + 'static, D: FromWasmAbi + 'static, E: FromWasmAbi + 'static, R: ReturnWasmAbi + 'static,

pub fn new_with_args_6<A, B, C, D, E, F, R>( callback: T, ) -> Callback<dyn FnMut(A, B, C, D, E, F) -> R>

where T: 'static + FnMut(A, B, C, D, E, F) -> R, A: FromWasmAbi + 'static, B: FromWasmAbi + 'static, C: FromWasmAbi + 'static, D: FromWasmAbi + 'static, E: FromWasmAbi + 'static, F: FromWasmAbi + 'static, R: ReturnWasmAbi + 'static,

pub fn new_with_args_7<A, B, C, D, E, F, G, R>( callback: T, ) -> Callback<dyn FnMut(A, B, C, D, E, F, G) -> R>

where T: 'static + FnMut(A, B, C, D, E, F, G) -> R, A: FromWasmAbi + 'static, B: FromWasmAbi + 'static, C: FromWasmAbi + 'static, D: FromWasmAbi + 'static, E: FromWasmAbi + 'static, F: FromWasmAbi + 'static, G: FromWasmAbi + 'static, R: ReturnWasmAbi + 'static,

pub fn new_with_args_8<A, B, C, D, E, F, G, H, R>( callback: T, ) -> Callback<dyn FnMut(A, B, C, D, E, F, G, H) -> R>

where T: 'static + FnMut(A, B, C, D, E, F, G, H) -> R, A: FromWasmAbi + 'static, B: FromWasmAbi + 'static, C: FromWasmAbi + 'static, D: FromWasmAbi + 'static, E: FromWasmAbi + 'static, F: FromWasmAbi + 'static, G: FromWasmAbi + 'static, H: FromWasmAbi + 'static, R: ReturnWasmAbi + 'static,

pub fn new<A, R>(callback: T) -> Callback<dyn FnMut(A) -> R>

where T: 'static + FnMut(A) -> R, A: FromWasmAbi + 'static, R: ReturnWasmAbi + 'static,

Create a new Callback instance with the given closure.

impl<T> Callback<T>

where T: WasmClosure + 'static + ?Sized,

pub fn create<F>(t: F) -> Callback<T>

where F: IntoWasmClosure<T> + 'static,

Create a new Callback instance with the given closure.

pub fn set_closure<F>(&mut self, t: F)

where F: IntoWasmClosure<T> + 'static,

Set closure in the given Callback instance.

pub fn into_js<J>(&self) -> &J

where J: JsCast,

Obtain a wasm_bindgen::JsCast value for this callback.

pub fn closure(&self) -> Result<Arc<Closure<T>>, CallbackError>

Obtain an std::sync::Arc of the given closure. Returns CallbackError::ClosureNotInitialized if the closure is None.

Trait Implementations

impl<T> AsCallback for Callback<T>

where T: WasmClosure + 'static + ?Sized,

fn get_id(&self) -> Id

fn get_fn(&self) -> &Function

impl<T> AsRef<Function> for Callback<T>

where T: WasmClosure + 'static + ?Sized,

fn as_ref(&self) -> &Function

Converts this type into a shared reference of the (usually inferred) input type.

impl<T> AsRef<JsValue> for Callback<T>

where T: WasmClosure + 'static + ?Sized,

fn as_ref(&self) -> &JsValue

Converts this type into a shared reference of the (usually inferred) input type.

impl<T> Clone for Callback<T>

where T: ?Sized,

fn clone(&self) -> Callback<T>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<T> Debug for Callback<T>

where T: ?Sized,

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

Formats the value using the given formatter.

impl<T> Default for Callback<T>

where T: WasmClosure + 'static + ?Sized,

fn default() -> Callback<T>

Returns the “default value” for a type.

impl<T> From<Callback<T>> for JsValue

where T: WasmClosure + 'static + ?Sized,

fn from(callback: Callback<T>) -> JsValue

Converts to this type from the input type.

impl<T> Send for Callback<T>

where T: ?Sized,

impl<T> Sync for Callback<T>

where T: ?Sized,