Struct Select 

pub struct Select<T> { /* private fields */ }

Prompt the user to select from a list of named choices.

Each choice is a (label, value) pair. The user selects by number.

Example

use rusty_rich::Select;

let choice = Select::new("Pick a color")
    .choice("Red", "red")
    .choice("Green", "green")
    .choice("Blue", "blue")
    .ask()
    .unwrap();

Implementations

impl<T> Select<T>

pub fn new(prompt: impl Into<String>) -> Self

Create a new select prompt.

pub fn console(self, console: Console) -> Self

Builder: set the console.

pub fn choice(self, label: impl Into<String>, value: T) -> Self

Builder: add a choice with the given label and value.

impl<T: Display> Select<T>

pub fn render(&self) -> String

Render the select prompt as a numbered list.

Returns a multi-line string like:

Pick a color:
  1) Red
  2) Green
  3) Blue
Enter number [1-3]:

impl<T: Display + Clone> Select<T>

pub fn ask(&self) -> Result<T, PromptError>

Ask the user to select from the choices.

Displays a numbered list, then prompts for a number. Loops until a valid number is entered.

Errors

Returns PromptError::Cancelled on EOF or Ctrl+C. Returns PromptError::InvalidResponse if there are no choices.