Enum SpecDoubleDashChoices 

pub enum SpecDoubleDashChoices {
    Automatic,
    Optional,
    Required,
}

Variants

Automatic

Once an arg is entered, behave as if “–” was passed

Optional

Allow “–” to be passed

Required

Require “–” to be passed

Trait Implementations

impl Clone for SpecDoubleDashChoices

fn clone(&self) -> SpecDoubleDashChoices

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SpecDoubleDashChoices

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

Formats the value using the given formatter.

impl Default for SpecDoubleDashChoices

fn default() -> SpecDoubleDashChoices

Returns the “default value” for a type.

impl Display for SpecDoubleDashChoices

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

Formats the value using the given formatter.

impl FromStr for SpecDoubleDashChoices

type Err = ParseError

The associated error which can be returned from parsing.

fn from_str(s: &str) -> Result<SpecDoubleDashChoices, <Self as FromStr>::Err>

Parses a string s to return a value of this type.

impl PartialEq for SpecDoubleDashChoices

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for SpecDoubleDashChoices

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl TryFrom<&str> for SpecDoubleDashChoices

type Error = ParseError

The type returned in the event of a conversion error.

fn try_from( s: &str, ) -> Result<SpecDoubleDashChoices, <Self as TryFrom<&str>>::Error>

Performs the conversion.

impl Eq for SpecDoubleDashChoices

impl StructuralPartialEq for SpecDoubleDashChoices