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RecvError

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tokio::sync::watch::error

结构体 RecvError 

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pub struct RecvError(/* 私有字段 */);
展开描述

接收变更通知时产生的错误。

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impl Clone for RecvError

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fn clone(&self) -> RecvError

返回值的副本。 更多信息
1.0.0 · 源代码§

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

Performs copy-assignment from source. 更多信息
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impl Debug for RecvError

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

使用给定的格式化器格式化此值。 更多信息
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impl Display for RecvError

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

使用给定的格式化器格式化此值。 更多信息
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impl Error for RecvError

1.30.0 · 源代码§

fn source(&self) -> Option<&(dyn Error + 'static)>

返回此错误的更底层来源（若有）。 更多信息
1.0.0 · 源代码§

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()
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1.0.0 · 源代码§

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting
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fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)
Provides type-based access to context intended for error reports. 更多信息

自动 trait 实现§

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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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<T> ToOwned for T
where T: Clone,

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type Owned = T

获得所有权后的类型。
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. 更多信息
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. 更多信息
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impl<T> ToString for T
where T: Display + ?Sized,

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fn to_string(&self) -> String

Converts the given value to a String. 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。