Enum FlagParseError

pub enum FlagParseError {
    BoolParseError,
    IntegerParseError,
    StringParseError,
}

Common errors for flag argument parsing.

Variants

BoolParseError

Invalid bool. E.g. yes

IntegerParseError

Invalid integer. E.g. 100XYZ

StringParseError

Invalid string. Invalid UTF-8 in unix-like platform or invalid UTF-16 in Windows.

Trait Implementations

impl Debug for FlagParseError

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

Formats the value using the given formatter.

impl Display for FlagParseError

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

Formats the value using the given formatter.

impl Error for FlagParseError

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()

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

Returns the lower-level source of this error, if any.

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.