Struct rustop::Parser

pub struct Parser<'a> { /* fields omitted */ }

The command line parser.

Methods

impl<'a> Parser<'a>

fn new() -> Parser<'a>

Return a new parser.

fn opt<T>(&mut self, var: T) -> &mut Opt<'a> where
    T: 'a + CommandLineArgument, 

Add and return an option.

• var is the associated variable
• varname is the name of the variable as a string

fn param<T>(&mut self, var: T) -> &mut Param<'a> where
    T: 'a + CommandLineArgument, 

Add and return a parameter.

• var is the associated variable
• varname is the name of the variable as a string

fn auto_shorts(&mut self, auto_shorts: bool)

Set whether short options should be generated automatically.

fn stop_on(&mut self, stopon: &'a str)

Specify an additional stop string.

fn command_name(&mut self, command_name: &'a str)

Set the command name.

fn usage(&mut self, usage: &'a str)

Set the usage string.

fn synopsis(&mut self, synopsis: &'a str)

Set the synopsis string.

fn version(&mut self, version: &'a str)

Set the version string.

fn help(&mut self, help: bool)

Add help option.

fn parse<'b, I>(&mut self, args: I) -> Result<Vec<&'b str>, Error> where
    I: Iterator<Item = &'b str>, 

Parse vector of command line arguments.

Returns a vector of remaining (unparsed) arguments.

fn write_usage(&self, output: &mut Write) -> Result<(), Error>

Write the usage string to some output stream.

Trait Implementations

impl<'a> Default for Parser<'a>

fn default() -> Self

Returns the "default value" for a type.