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Unconstrained

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tokio::task::coop

结构体 Unconstrained 

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pub struct Unconstrained<F> { /* 私有字段 */ }
展开描述

unconstrained 方法的 future。

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impl<F> Future for Unconstrained<F>
where F: Future,

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type Output = <F as Future>::Output

Future 完成时产生的值的类型。
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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. 更多信息
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impl<'__pin, F> Unpin for Unconstrained<F>
where PinnedFieldsOf<__Origin<'__pin, F>>: Unpin,

自动 trait 实现§

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impl<F> Freeze for Unconstrained<F>
where F: Freeze,

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impl<F> RefUnwindSafe for Unconstrained<F>
where F: RefUnwindSafe,

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impl<F> Send for Unconstrained<F>
where F: Send,

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impl<F> Sync for Unconstrained<F>
where F: Sync,

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impl<F> UnsafeUnpin for Unconstrained<F>
where F: UnsafeUnpin,

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impl<F> UnwindSafe for Unconstrained<F>
where F: UnwindSafe,

blanket 实现§

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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. 更多信息
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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. 更多信息
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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. 更多信息
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impl<T> From<T> for T

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fn from(t: T) -> T

原样返回参数。

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

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fn into(self) -> U

调用 U::from(self)。

也就是说，此转换是 From<T> for U 实现选择执行的操作。

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

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type Output = <F as Future>::Output

Future 完成时产生的输出。
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type IntoFuture = F

我们将要把此值转变成哪种 future？
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fn into_future(self) -> <F as IntoFuture>::IntoFuture

Creates a future from a value. 更多信息
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

转换出错时返回的类型。
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

执行转换。
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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

转换出错时返回的类型。
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

执行转换。