Struct Arg 

pub struct Arg { /* private fields */ }

Command-line argument specification

Defines a flag or option with optional short/long forms. Can be boolean (flag) or value-taking (option).

Implementations

impl Arg

pub fn new(name: impl Into<String>) -> Self

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

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

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

pub fn takes_value(self, takes: bool) -> Self

pub fn required(self, req: bool) -> Self