Struct ArgParser 

pub struct ArgParser<'a> { /* private fields */ }

Keep information about the argument parser.

Implementations

impl<'a> ArgParser<'a>

pub fn new() -> Self

Create a new ArgParser instance.

pub fn arg(self, argument: Argument<'a>) -> Self

Add an argument with its associated Argument in arguments.

pub fn parse_from_cmdline(&mut self) -> Result<()>

Parse the command line arguments.

pub fn formatted_help(&self) -> String

Concatenate the help information of every possible argument in a message that represents the correct command line usage for the application.

pub fn arguments(&self) -> &Arguments<'_>

Return a reference to arguments field.

Trait Implementations

impl<'a> Clone for ArgParser<'a>

fn clone(&self) -> ArgParser<'a>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<'a> Debug for ArgParser<'a>

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

Formats the value using the given formatter.

impl<'a> Default for ArgParser<'a>

fn default() -> ArgParser<'a>

Returns the “default value” for a type.