terminal_menu

Function numeric

Source 
pub fn numeric<T: Into<String>>(
    name: T,
    default: f64,
    step: Option<f64>,
    min: Option<f64>,
    max: Option<f64>,
) -> TerminalMenuItem
Expand description

Make a terminal-menu item from which you can select a number between specified bounds.

ยงExample

use terminal_menu::{menu, numeric, run, mut_menu};
let menu = menu(vec![
    numeric("My Numerics Name",
        0.0,  //default
        Some(0.5),  //step (optional)
        Some(-5.0), //minimum (optional)
        Some(10.0)  //maximum (optional)
    )
]);
run(&menu);
println!("My Numerics Value: {}", mut_menu(&menu).numeric_value("My Numerics Name"))
Examples found in repository?
examples/readme.rs (line 11)
1fn main() {
2    use terminal_menu::{run, menu, label, scroll, list, string, numeric, submenu, back_button};
3    let menu = menu(vec![
4        label("--------------"),
5        label("MY lovely menu!"),
6        label("usage: tinker around"),
7        label("---------------"),
8        scroll("Selection", vec!["First Option", "Second Option", "Third Option"]),
9        list("Do Something", vec!["Yes", "No"]),
10        string("Your Name", "Samuel", false),
11        numeric("Numeric", 5.25, None, None, None),
12        submenu("Submenu", vec![back_button("Back")]),
13        back_button("Exit"),
14    ]);
15    run(&menu);
16}
More examples
Hide additional examples
examples/string_and_numeric.rs (lines 22-34)
5fn main() {
6    use terminal_menu::{menu, label, button, string, numeric, run, mut_menu};
7    let menu = menu(vec![
8        label("strings and numerics"),
9
10        // string:
11        //  a string of characters
12        //  the last arguments specifies if empty strings are allowed
13
14        // empty strings allowed:
15        string("ste", "default", true),
16
17        // empty strings not allowed:
18        string("stn", "default", false),
19
20        // numeric:
21        //  a floating point number
22        numeric("num",
23            // default
24            4.5,
25
26            // step
27            Some(1.5),
28
29            // minimum
30            None,
31
32            // maximum
33            Some(150.0)
34        ),
35
36        button("exit")
37    ]);
38    run(&menu);
39    {
40        let mm = mut_menu(&menu);
41        println!("{}", mm.selection_value("ste"));
42        println!("{}", mm.selection_value("stn"));
43        println!("{}", mm.numeric_value("num"));
44    }
45}