Struct Arg 

pub struct Arg {
    pub info: ArgInfo,
    pub validators: Vec<Box<dyn Validator>>,
    pub completers: Vec<Box<dyn Completer>>,
    pub prompters: Vec<Box<dyn Prompter>>,
}

Fields

info: ArgInfo

validators: Vec<Box<dyn Validator>>

completers: Vec<Box<dyn Completer>>

prompters: Vec<Box<dyn Prompter>>

Implementations

impl Arg

pub fn flag(long: impl Into<String>) -> Self

Create a boolean flag (no value)

pub fn option(long: impl Into<String>, ty: ArgType) -> Self

Create an option with value

pub fn positional(name: impl Into<String>, ty: ArgType) -> Self

Create a positional argument

pub fn title(self, title: impl Into<String>) -> Self

Set the help/title for the argument

pub fn description(self, description: impl Into<String>) -> Self

Set the description for the argument

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

Set the short flag (e.g., -v)

pub fn aliases(self, aliases: Vec<String>) -> Self

pub fn ty(self, ty: ArgType) -> Self

pub fn required(self) -> Self

Mark as required

pub fn default(self, value: impl Into<String>) -> Self

Set the default value

pub fn multiple(self) -> Self

Set whether this argument accepts multiple values

pub fn env(self, env_var: impl Into<String>) -> Self

Set environment variable to read default value from

pub fn enums(self, options: Vec<(impl Into<String>, impl Into<String>)>) -> Self

Set enum options for this argument (label, value)

pub fn validator(self, v: Box<dyn Validator + 'static>) -> Self

Set a validator (accepts closures or Validator trait implementations)

pub fn completer(self, c: Box<dyn Completer + 'static>) -> Self

Set a completer (accepts closures or Completer trait implementations)

pub fn prompter(self, p: Box<dyn Prompter + 'static>) -> Self

Set a prompter (accepts Prompter trait implementations)