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JsThreadLocal

wasm_bindgen

Struct JsThreadLocal 

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pub struct JsThreadLocal<T: 'static> { /* private fields */ }
Expand description

Wrapper type for imported statics.

This type is used whenever a static is imported from a JS module, for example this import:

ⓘ
#[wasm_bindgen]
extern "C" {
    #[wasm_bindgen(thread_local_v2)]
    static console: JsValue;
}

will generate in Rust a value that looks like:

ⓘ
static console: JsThreadLocal<JsValue> = ...;

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impl<T> JsThreadLocal<T>

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pub fn with<F, R>(&'static self, f: F) -> R
where F: FnOnce(&T) -> R,

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impl<T> Freeze for JsThreadLocal<T>

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impl<T> RefUnwindSafe for JsThreadLocal<T>
where T: RefUnwindSafe + UnwindSafe,

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impl<T> Send for JsThreadLocal<T>

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impl<T> Sync for JsThreadLocal<T>

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impl<T> Unpin for JsThreadLocal<T>

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impl<T> UnsafeUnpin for JsThreadLocal<T>

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impl<T> UnwindSafe for JsThreadLocal<T>
where T: RefUnwindSafe + UnwindSafe,

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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<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.
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impl<S, T> Upcast<T> for S
where T: UpcastFrom<S> + ?Sized, S: ?Sized,

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fn upcast(&self) -> &T
where Self: ErasableGeneric, T: Sized + ErasableGeneric<Repr = <Self as ErasableGeneric>::Repr>,

Perform a zero-cost type-safe upcast to a wider ref type within the Wasm bindgen generics type system. Read more
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fn upcast_into(self) -> T
where Self: Sized + ErasableGeneric, T: Sized + ErasableGeneric<Repr = <Self as ErasableGeneric>::Repr>,

Perform a zero-cost type-safe upcast to a wider type within the Wasm bindgen generics type system. Read more