Struct AppErrCode 

pub struct AppErrCode {
    pub domain: &'static str,
    pub code: i32,
    pub message: &'static str,
}

归一化错误码值类型。

纯值类型，无堆分配，无虚表，可 Copy/Clone。 错误身份由 domain + code 唯一决定，message 仅用于展示。

code 使用 i32 以支持负数通用错误码（如 -1 表示通用错误）。

Fields

domain: &'static str

code: i32

message: &'static str

Implementations

impl AppErrCode

pub const fn new( domain: &'static str, code: i32, message: &'static str, ) -> AppErrCode

Trait Implementations

impl Clone for AppErrCode

fn clone(&self) -> AppErrCode

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for AppErrCode

impl Debug for AppErrCode

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

Formats the value using the given formatter.

impl Display for AppErrCode

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

Formats the value using the given formatter.

impl Eq for AppErrCode

impl PartialEq for AppErrCode

错误身份相等：domain + code 唯一决定错误身份，message 不参与比较

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

Equality operator ==.

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

Inequality operator !=.