Function promptly::prompt

pub fn prompt<T, S>(msg: S) -> T where
    T: Promptable,
    S: AsRef<str>, 

Prompt until input can be parsed as T.

Empty string input causes a re-prompt (including for String) except when T is an Option-wrapped type.

Examples

use promptly::{prompt, prompt_default};

// Prompt until a non-empty string is provided
let name: String = prompt("Enter your name");

// Prompt for an optional string
let name: Option<String> = prompt("Enter your name (optional)");

// Prompt for other `FromStr` types
let age: u32 = prompt("Enter your age");

// Prompt for optional paths with path completion. Returns `None` if empty input.
let photo: Option<PathBuf> = prompt("Enter a path to a profile picture");

Errors

If readline fails to read from stdin, this call will exit the process with an exit code of 1. All other errors just result in re-prompting.