Struct dsa::commands::Tracker

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

A generic tracker for a property during a cli session.

Examples

let mut health = Tracker::new_action("health",10,10);
let matches = health.usage().get_matches_from_safe(&["health","-s","5"]).unwrap();
let output = health.call(&hero,&matches).unwrap();
assert_eq!(output.len(), 1);
if let Output::Gauge { name, current, max } = &output[0] {
    assert_eq!("health", name);
    assert_eq!(5, *current);
    assert_eq!(10, *max);
}

Methods

impl<'a> Tracker<'a>

pub fn new_action(
    name: &'static str,
    current: isize,
    max: isize
) -> Box<dyn Action>

Trait Implementations

impl<'_> Action for Tracker<'_>

fn usage<'a, 'b>(&'a self) -> App<'b, 'b>

Command line argument definition of the subcommand of the action.

fn call(&mut self, _: &Hero, matches: &ArgMatches) -> Result<Vec<Output>>

A method which maps self, as well as the current Hero and the result of the usage()-invocation into zero or more Outputs.