Struct CallbackPair

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pub struct CallbackPair<A, B>
where A: 'static + ?Sized, B: 'static + ?Sized,
{ /* private fields */ }
Expand description

A CallbackPair<F> is a wrapper around a wasm_bindgen::prelude::Closure<F> which supports TODO:

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impl<A, B> CallbackPair<A, B>
where A: 'static + ?Sized, B: 'static + ?Sized,

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pub fn new<X, Y>(x: X, y: Y) -> CallbackPair<A, B>
where Self: From<(X, Y)>,

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pub fn as_functions(&self) -> (Function, Function)

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pub fn as_closures(&self) -> Rc<(Closure<A>, Closure<B>)>

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impl<A, B> Debug for CallbackPair<A, B>
where A: 'static + ?Sized + Debug, B: 'static + ?Sized + Debug,

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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 Default for CallbackPair<dyn FnMut(JsValue), dyn FnMut(JsValue)>

The Default impl for CallbackPair creates a pair of single-arg (resolve, reject) callbacks, similar to the javascript Promise contsructor.

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(), dyn FnMut()>
where A: 'static + FnOnce() -> Result<JsValue, JsValue>, B: 'static + FnOnce() -> Result<JsValue, JsValue>,

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(), dyn FnMut(JsValue)>
where A: 'static + FnOnce() -> Result<JsValue, JsValue>, B: 'static + FnOnce(JsValue) -> Result<JsValue, JsValue>,

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(), dyn FnMut(JsValue, JsValue)>
where A: 'static + FnOnce() -> Result<JsValue, JsValue>, B: 'static + FnOnce(JsValue, JsValue) -> Result<JsValue, JsValue>,

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(), dyn FnMut(JsValue, JsValue, JsValue)>
where A: 'static + FnOnce() -> Result<JsValue, JsValue>, B: 'static + FnOnce(JsValue, JsValue, JsValue) -> Result<JsValue, JsValue>,

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(), dyn FnMut(JsValue, JsValue, JsValue, JsValue)>
where A: 'static + FnOnce() -> Result<JsValue, JsValue>, B: 'static + FnOnce(JsValue, JsValue, JsValue, JsValue) -> Result<JsValue, JsValue>,

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(), dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue)>
where A: 'static + FnOnce() -> Result<JsValue, JsValue>, B: 'static + FnOnce(JsValue, JsValue, JsValue, JsValue, JsValue) -> Result<JsValue, JsValue>,

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(), dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue)>
where A: 'static + FnOnce() -> Result<JsValue, JsValue>, B: 'static + FnOnce(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue) -> Result<JsValue, JsValue>,

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(), dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue), dyn FnMut()>
where A: 'static + FnOnce(JsValue) -> Result<JsValue, JsValue>, B: 'static + FnOnce() -> Result<JsValue, JsValue>,

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue), dyn FnMut(JsValue)>
where A: 'static + FnOnce(JsValue) -> Result<JsValue, JsValue>, B: 'static + FnOnce(JsValue) -> Result<JsValue, JsValue>,

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue), dyn FnMut(JsValue, JsValue)>
where A: 'static + FnOnce(JsValue) -> Result<JsValue, JsValue>, B: 'static + FnOnce(JsValue, JsValue) -> Result<JsValue, JsValue>,

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue), dyn FnMut(JsValue, JsValue, JsValue)>
where A: 'static + FnOnce(JsValue) -> Result<JsValue, JsValue>, B: 'static + FnOnce(JsValue, JsValue, JsValue) -> Result<JsValue, JsValue>,

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue), dyn FnMut(JsValue, JsValue, JsValue, JsValue)>
where A: 'static + FnOnce(JsValue) -> Result<JsValue, JsValue>, B: 'static + FnOnce(JsValue, JsValue, JsValue, JsValue) -> Result<JsValue, JsValue>,

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue), dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue)>
where A: 'static + FnOnce(JsValue) -> Result<JsValue, JsValue>, B: 'static + FnOnce(JsValue, JsValue, JsValue, JsValue, JsValue) -> Result<JsValue, JsValue>,

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue), dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue), dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue), dyn FnMut()>
where A: 'static + FnOnce(JsValue, JsValue) -> Result<JsValue, JsValue>, B: 'static + FnOnce() -> Result<JsValue, JsValue>,

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue), dyn FnMut(JsValue)>
where A: 'static + FnOnce(JsValue, JsValue) -> Result<JsValue, JsValue>, B: 'static + FnOnce(JsValue) -> Result<JsValue, JsValue>,

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue), dyn FnMut(JsValue, JsValue)>
where A: 'static + FnOnce(JsValue, JsValue) -> Result<JsValue, JsValue>, B: 'static + FnOnce(JsValue, JsValue) -> Result<JsValue, JsValue>,

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue), dyn FnMut(JsValue, JsValue, JsValue)>
where A: 'static + FnOnce(JsValue, JsValue) -> Result<JsValue, JsValue>, B: 'static + FnOnce(JsValue, JsValue, JsValue) -> Result<JsValue, JsValue>,

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue), dyn FnMut(JsValue, JsValue, JsValue, JsValue)>
where A: 'static + FnOnce(JsValue, JsValue) -> Result<JsValue, JsValue>, B: 'static + FnOnce(JsValue, JsValue, JsValue, JsValue) -> Result<JsValue, JsValue>,

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue), dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue), dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue), dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue), dyn FnMut()>
where A: 'static + FnOnce(JsValue, JsValue, JsValue) -> Result<JsValue, JsValue>, B: 'static + FnOnce() -> Result<JsValue, JsValue>,

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue), dyn FnMut(JsValue)>
where A: 'static + FnOnce(JsValue, JsValue, JsValue) -> Result<JsValue, JsValue>, B: 'static + FnOnce(JsValue) -> Result<JsValue, JsValue>,

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue), dyn FnMut(JsValue, JsValue)>
where A: 'static + FnOnce(JsValue, JsValue, JsValue) -> Result<JsValue, JsValue>, B: 'static + FnOnce(JsValue, JsValue) -> Result<JsValue, JsValue>,

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue), dyn FnMut(JsValue, JsValue, JsValue)>
where A: 'static + FnOnce(JsValue, JsValue, JsValue) -> Result<JsValue, JsValue>, B: 'static + FnOnce(JsValue, JsValue, JsValue) -> Result<JsValue, JsValue>,

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue), dyn FnMut(JsValue, JsValue, JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue), dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue), dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue), dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue), dyn FnMut()>
where A: 'static + FnOnce(JsValue, JsValue, JsValue, JsValue) -> Result<JsValue, JsValue>, B: 'static + FnOnce() -> Result<JsValue, JsValue>,

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue), dyn FnMut(JsValue)>
where A: 'static + FnOnce(JsValue, JsValue, JsValue, JsValue) -> Result<JsValue, JsValue>, B: 'static + FnOnce(JsValue) -> Result<JsValue, JsValue>,

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue), dyn FnMut(JsValue, JsValue)>
where A: 'static + FnOnce(JsValue, JsValue, JsValue, JsValue) -> Result<JsValue, JsValue>, B: 'static + FnOnce(JsValue, JsValue) -> Result<JsValue, JsValue>,

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue), dyn FnMut(JsValue, JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue), dyn FnMut(JsValue, JsValue, JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue), dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue), dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue), dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue), dyn FnMut()>
where A: 'static + FnOnce(JsValue, JsValue, JsValue, JsValue, JsValue) -> Result<JsValue, JsValue>, B: 'static + FnOnce() -> Result<JsValue, JsValue>,

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue), dyn FnMut(JsValue)>
where A: 'static + FnOnce(JsValue, JsValue, JsValue, JsValue, JsValue) -> Result<JsValue, JsValue>, B: 'static + FnOnce(JsValue) -> Result<JsValue, JsValue>,

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue), dyn FnMut(JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue), dyn FnMut(JsValue, JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue), dyn FnMut(JsValue, JsValue, JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue), dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue), dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue), dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue), dyn FnMut()>
where A: 'static + FnOnce(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue) -> Result<JsValue, JsValue>, B: 'static + FnOnce() -> Result<JsValue, JsValue>,

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue), dyn FnMut(JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue), dyn FnMut(JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue), dyn FnMut(JsValue, JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue), dyn FnMut(JsValue, JsValue, JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue), dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue), dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue), dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue, JsValue), dyn FnMut()>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue, JsValue), dyn FnMut(JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue, JsValue), dyn FnMut(JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue, JsValue), dyn FnMut(JsValue, JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue, JsValue), dyn FnMut(JsValue, JsValue, JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue, JsValue), dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue, JsValue), dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> From<(A, B)> for CallbackPair<dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue, JsValue), dyn FnMut(JsValue, JsValue, JsValue, JsValue, JsValue, JsValue, JsValue)>

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fn from(cb: (A, B)) -> Self

Converts to this type from the input type.
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impl<A, B> Future for CallbackPair<A, B>
where A: 'static + ?Sized, B: 'static + ?Sized,

Standard impl of Future for CallbackPair.

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type Output = Result<JsValue, JsValue>

The type of value produced on completion.
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fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output>

Attempts to resolve the future to a final value, registering the current task for wakeup if the value is not yet available. Read more

Auto Trait Implementations§

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impl<A, B> Freeze for CallbackPair<A, B>
where A: ?Sized, B: ?Sized,

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impl<A, B> !RefUnwindSafe for CallbackPair<A, B>

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impl<A, B> !Send for CallbackPair<A, B>

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impl<A, B> !Sync for CallbackPair<A, B>

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impl<A, B> Unpin for CallbackPair<A, B>
where A: ?Sized, B: ?Sized,

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impl<A, B> !UnwindSafe for CallbackPair<A, B>

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> 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<F> IntoFuture for F
where F: Future,

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type Output = <F as Future>::Output

The output that the future will produce on completion.
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type IntoFuture = F

Which kind of future are we turning this into?
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fn into_future(self) -> <F as IntoFuture>::IntoFuture

Creates a future from a value. 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.