Enum RoadmapError 

pub enum RoadmapError {
    Io(Error),
    Parse(String),
}

ROADMAP 操作错误。

Variants

Io(Error)

文件读取失败。

Parse(String)

解析失败（格式不符合预期）。

Trait Implementations

impl Debug for RoadmapError

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

Formats the value using the given formatter.

impl Display for RoadmapError

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

Formats the value using the given formatter.

impl Error for RoadmapError

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.

impl From<Error> for RoadmapError

fn from(e: Error) -> Self

Converts to this type from the input type.