readme_example/
readme-example.rs

1/*!
2The example from the readme.
3*/
4
5pub struct ProgramState {
6	number: i32,
7	text: String,
8}
9
10impl ProgramState {
11	pub fn poke(&mut self, args: &str) {
12		self.text = format!("{}: {}", args, self.number);
13	}
14}
15
16impl cvar::IVisit for ProgramState {
17	fn visit(&mut self, f: &mut dyn FnMut(&mut dyn cvar::INode)) {
18		f(&mut cvar::Property("number", &mut self.number, &42));
19		f(&mut cvar::Property("text", &mut self.text, &String::new()));
20		f(&mut cvar::Action("poke!", |args, _writer| self.poke(args)));
21	}
22}
23
24fn main() {
25	let mut writer = String::new();
26
27	let mut program_state = ProgramState {
28		number: 42,
29		text: String::new(),
30	};
31
32	assert_eq!(cvar::console::get(&mut program_state, "number").unwrap(), "42");
33
34	cvar::console::set(&mut program_state, "number", "13", &mut writer);
35	assert_eq!(program_state.number, 13);
36
37	cvar::console::invoke(&mut program_state, "poke!", "the value is", &mut writer);
38	assert_eq!(program_state.text, "the value is: 13");
39}
readme_example/readme-example.rs

readme_example/
readme-example.rs
