Function terminal_menu::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.

Example

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)
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fn main() {
    use terminal_menu::{run, menu, label, scroll, list, string, numeric, submenu, back_button};
    let menu = menu(vec![
        label("--------------"),
        label("MY lovely menu!"),
        label("usage: tinker around"),
        label("---------------"),
        scroll("Selection", vec!["First Option", "Second Option", "Third Option"]),
        list("Do Something", vec!["Yes", "No"]),
        string("Your Name", "Samuel", false),
        numeric("Numeric", 5.25, None, None, None),
        submenu("Submenu", vec![back_button("Back")]),
        back_button("Exit"),
    ]);
    run(&menu);
}
More examples
Hide additional examples
examples/string_and_numeric.rs (lines 22-34)
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fn main() {
    use terminal_menu::{menu, label, button, string, numeric, run, mut_menu};
    let menu = menu(vec![
        label("strings and numerics"),

        // string:
        //  a string of characters
        //  the last arguments specifies if empty strings are allowed

        // empty strings allowed:
        string("ste", "default", true),

        // empty strings not allowed:
        string("stn", "default", false),

        // numeric:
        //  a floating point number
        numeric("num",
            // default
            4.5,

            // step
            Some(1.5),

            // minimum
            None,

            // maximum
            Some(150.0)
        ),

        button("exit")
    ]);
    run(&menu);
    {
        let mm = mut_menu(&menu);
        println!("{}", mm.selection_value("ste"));
        println!("{}", mm.selection_value("stn"));
        println!("{}", mm.numeric_value("num"));
    }
}