Struct OptSpec 

pub struct OptSpec<'a, Ctx: ?Sized> { /* private fields */ }

Option (flag or value-bearing).

Implementations

impl<'a, Ctx: ?Sized> OptSpec<'a, Ctx>

pub fn flag(name: &'a str, cb: OnFlag<Ctx>) -> Self

Create a flag option. Other fields are set via builder methods.

pub const fn value(name: &'a str, cb: OnValue<Ctx>) -> Self

Create a value option. Other fields are set via builder methods.

pub const fn short(self, s: char) -> Self

pub const fn long(self, l: &'a str) -> Self

pub const fn metavar(self, mv: &'a str) -> Self

pub const fn help(self, h: &'a str) -> Self

pub const fn env(self, name: &'a str) -> Self

pub fn default(self, val: impl Into<OsString>) -> Self

pub const fn group(self, g: &'a str) -> Self

pub const fn single(self) -> Self

pub const fn repeatable(self) -> Self

pub const fn validator(self, v: ValueValidator) -> Self

pub const fn get_name(&self) -> &str

pub const fn get_short(&self) -> Option<char>

pub const fn get_long(&self) -> Option<&str>

pub const fn get_metavar(&self) -> Option<&str>

pub const fn get_help(&self) -> Option<&str>

pub const fn get_env(&self) -> Option<&str>

pub const fn get_default(&self) -> Option<&OsString>

pub const fn get_group(&self) -> Option<&str>

pub const fn is_value(&self) -> bool

pub const fn get_repeat(&self) -> Repeat

pub fn get_on_value(&self) -> Option<OnValue<Ctx>>

pub fn get_on_flag(&self) -> Option<OnFlag<Ctx>>

pub fn get_validator(&self) -> Option<ValueValidator>