Enum MailError 

pub enum MailError {
    MissingField(String),
    SendFailed(String),
    AttachmentRead {
        path: String,
        source: Error,
    },
}

Mail 错误

Variants

MissingField(String)

缺少必填字段（收件人、主题、内容等）

SendFailed(String)

邮件发送失败

AttachmentRead

附件读取失败

Fields

path: String

附件路径

source: Error

底层 IO 错误

Trait Implementations

impl Debug for MailError

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

Formats the value using the given formatter.

impl Display for MailError

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

Formats the value using the given formatter.

impl Error for MailError

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.