Enum GraphError 

pub enum GraphError {
    Terminal(TerminalError),
    Recoverable(RecoverableError),
    Observed(ObservedError),
}

Graph 运行时错误 — 三分法。

Variants

Terminal(TerminalError)

终止执行 — stream 关闭，不可恢复

Recoverable(RecoverableError)

可恢复 — 内部重试 / fallback 触发，stream 继续

Observed(ObservedError)

仅事件 — 不影响 control flow，stream 继续

Trait Implementations

impl Debug for GraphError

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

Formats the value using the given formatter.

impl Display for GraphError

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

Formats the value using the given formatter.

impl Error for GraphError

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

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

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

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

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.