Type Alias OnAgentInvalidCallback 

pub type OnAgentInvalidCallback = Option<Arc<Box<dyn Fn(i32) + Send + Sync + 'static>>>;

代理失效回调类型，减少类型复杂度

Aliased Type

pub enum OnAgentInvalidCallback {
    None,
    Some(Arc<Box<dyn Fn(i32) + Sync + Send>>),
}

Variants

None

No value.

Some(Arc<Box<dyn Fn(i32) + Sync + Send>>)

Some value of type T.