Enum go_flag::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

This method is soft-deprecated.

fn cause(&self) -> Option<&dyn Error>

Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

The lower-level cause of this error, if any.

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

The lower-level source of this error, if any.

fn backtrace(&self) -> Option<&Backtrace>

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

Returns a stack backtrace, if available, of where this error ocurred.