better_term 1.4.61

A crate that makes using the terminal easier.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56

#[cfg(feature = "input")]
use std::io::{stdin, stdout, Write};

#[cfg(feature = "input")]
#[doc(hidden)]
pub fn _read_input(prompt: String) -> String {
    print!("{}", prompt);
    let r = stdout().flush();
    if r.is_err() {
        panic!("Error flushing output: {}", r.unwrap_err());
    }
    let mut buffer = String::new();
    let r2 = stdin().read_line(&mut buffer);
    if r2.is_err() {
        panic!("Error in reading input: {}", r.unwrap_err());
    }
    buffer.replace(['\n', '\r'], "")
}

#[cfg(feature = "input")]
#[doc(hidden)]
pub fn _yn_prompt(p: String) -> bool {
    let input = _read_input(format!("{} [Y/n]: ", p));
    return match input.to_ascii_lowercase().as_str() {
        // "y" | "yes" | "" => return true,
        "n" | "no" => false,
        _ => true, // default yes
    }
}

#[cfg(feature = "input")]
#[macro_export]
/// Returns a string from stdin with the prompt given
/// # Example
/// ```
/// use better_term::read_input;
///
/// // by default read_input() will prompt with nothing
/// let input = read_input!();
/// // specify a custom prompt with the same formatting as format!()
/// let input2 = read_input!("Enter a second value: ");
macro_rules! read_input {
    () =>  { better_term::input::_read_input(format!(""))};
    ($($arg:tt)*) =>  { better_term::input::_read_input(format!("{}", format_args!($($arg)*)))};
}

#[cfg(feature = "input")]
#[macro_export]
/// Works the same way as read_input!()
/// Returns true if the user types 'y', 'Y', or "yes" to the prompt
/// Returns false if the user types 'n', 'N', or "no" to the prompt
/// defaults to yes if the user presses enter
macro_rules! yesno_prompt {
    () =>  { better_term::input::_yn_prompt("")};
    ($($arg:tt)*) =>  { better_term::input::_yn_prompt(format!("{}", format_args!($($arg)*)))};
}