Enum DatasourceNameError 

pub enum DatasourceNameError {
    Empty,
    SurroundingWhitespace,
    InvalidCharacters,
}

业务作用：描述 datasource qualifier 在配置边界被拒绝的稳定原因。

Variants

Empty

名称为空。

SurroundingWhitespace

名称包含首尾空白。

InvalidCharacters

名称超长或包含不受支持的字符。

Trait Implementations

impl Clone for DatasourceNameError

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for DatasourceNameError

impl Debug for DatasourceNameError

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

Formats the value using the given formatter.

impl Display for DatasourceNameError

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

Formats the value using the given formatter.

impl Eq for DatasourceNameError

impl Error for DatasourceNameError

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 PartialEq for DatasourceNameError

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for DatasourceNameError