Enum derive_attribute::ErrorMsg

pub enum ErrorMsg {
    FailedToParseAttr,
    InvalidItem,
    MissingAttribute(&'static str),
    MissingArg(&'static str),
    InvalidType {
        expected: &'static str,
    },
    DuplicateArg,
    InvalidArg,
}

Variants

FailedToParseAttr

InvalidItem

MissingAttribute(&'static str)

MissingArg(&'static str)

InvalidType

Fields

expected: &'static str

DuplicateArg

InvalidArg

Trait Implementations

impl Debug for ErrorMsg

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

Formats the value using the given formatter.

impl Display for ErrorMsg

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

Formats the value using the given formatter.

impl Error for ErrorMsg

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

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, demand: &mut Demand<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type based access to context intended for error reports.