Enum go_flag::FlagWarning

pub enum FlagWarning {
    FlagAfterArg {
        flag: String,
    },
    ShortLong {
        flag: String,
    },
    LongShort {
        flag: String,
    },
    FlagValue {
        value: String,
    },
}

Common warnings for flag parsing.

Variants

FlagAfterArg

Flag-like syntax appearing after argument.

Fields of FlagAfterArg

flag: String

ShortLong

Long flag with single minus. E.g. -lines

Fields of ShortLong

flag: String

LongShort

Short flag with double minus. E.g. --f

Fields of LongShort

flag: String

FlagValue

Nonstandard value format for flag argument. E.g. --lines=0x10

Fields of FlagValue

value: String

Trait Implementations

impl Debug for FlagWarning

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

Formats the value using the given formatter.

impl Display for FlagWarning

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

Formats the value using the given formatter.

impl Error for FlagWarning

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.