Struct bats::Bats

pub struct Bats {
    pub speed: Option<u8>,
    pub halloween: bool,
    // some fields omitted
}

Bats! A spooky bat printer

Fields

speed: Option<u8>

Speed

halloween: bool

Enable Halloween mode

Methods

impl Bats

pub fn run(&self)

Run the program

pub fn draw_halloween(&self)

Draw a random halloweeny-thing

pub fn draw(&self, thing: char)

Draw an arbitrary string

Trait Implementations

impl Default for Bats

fn default() -> Bats

Returns the "default value" for a type.

impl Debug for Bats

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

Formats the value using the given formatter.

impl Options for Bats

fn parse<__S: AsRef<str>>(_parser: &mut Parser<__S>) -> Result<Self, Error>

Parses arguments until the given parser is exhausted or until an error is encountered.

fn command_name(&self) -> Option<&'static str>

Returns the name of a parsed command, if present.

fn help_requested(&self) -> bool

Returns whether the user supplied a "help" option to request usage information about the program or any contained subcommands.

fn parse_command<__S: AsRef<str>>(
    name: &str,
    _parser: &mut Parser<__S>
) -> Result<Self, Error>

Parses options for the named command.

fn usage() -> &'static str

Returns a string showing usage and help for each supported option.

fn command_list() -> Option<&'static str>

Returns a string listing available commands and help text.

fn command_usage(_name: &str) -> Option<&'static str>

Returns a usage string for the named command.

fn parse_args<S>(args: &[S], style: ParsingStyle) -> Result<Self, Error> where
    S: AsRef<str>, 

Parses arguments received from the command line.

fn parse_args_or_exit(style: ParsingStyle) -> Self

Parses arguments from the environment.

fn parse_args_default_or_exit() -> Self

Parses arguments from the environment, using the default parsing style.

fn parse_args_default<S>(args: &[S]) -> Result<Self, Error> where
    S: AsRef<str>, 

Parses arguments received from the command line, using the default parsing style.