Enum NotifyStrategy 

pub enum NotifyStrategy {
    StopOnError,
    IgnoreError,
}

通知策略

定义当观察者处理更新失败时的行为。

Variants

StopOnError

立即停止并返回错误

这是默认策略，当一个观察者失败时立即停止通知过程。

IgnoreError

忽略错误并继续通知

即使某个观察者失败，也继续通知其他观察者。 错误会被忽略，继续执行。

Trait Implementations

impl Clone for NotifyStrategy

fn clone(&self) -> NotifyStrategy

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for NotifyStrategy

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

Formats the value using the given formatter.

impl PartialEq for NotifyStrategy

fn eq(&self, other: &NotifyStrategy) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for NotifyStrategy

impl Eq for NotifyStrategy

impl StructuralPartialEq for NotifyStrategy