pub fn wait_for_enter()Expand description
Waits for the user to press enter, prints “Press enter to continue “
This is basically a wrapper for prompt!("Press enter to continue ")
Examples found in repository?
examples/read_lines.rs (line 87)
3fn main() {
4
5 println!("\n==== custom fuzzy-search testing ====");
6 let input = read!(["Lanercoast", "Windrip", "Redwick Bush", "Brickelwhyte", "Sirencester", "Conriston", "Inverness", "Norwich", "Elinmylly", "Murlayfield"]).1;
7 println!("You entered: \"{input}\"");
8
9
10 println!("\n==== `read!()` ====");
11 let input = read!(); // read a line of text
12 println!("You entered: \"{input}\"");
13
14 println!("\n==== `prompt!(\"Enter a string: \")` ====");
15 let input = prompt!("Enter a string: "); // prompt a line of text
16 println!("You entered: \"{input}\"");
17
18 println!("\n==== `read!(UsizeInput)` ====");
19 let input = read!(UsizeInput); // read specific types
20 println!("You entered: \"{input}\"");
21 println!("\n==== `read!(BoolInput)` ====");
22 let input = read!(BoolInput);
23 println!("You entered: \"{input}\"");
24 println!("\n==== `read!(NonWhitespaceInput)` ====");
25 let input = read!(NonWhitespaceInput);
26 println!("You entered: \"{input}\"");
27 println!("\n==== `read!(I32Input)` ====");
28 let input = read!(I32Input);
29 println!("You entered: \"{input}\"");
30
31 println!("\n==== `read!(0. ..= 100.)` ====");
32 let input = read!(0. ..= 100.); // read a number within a range
33 println!("You entered: \"{input}\"");
34
35
36 println!("\n==== `prompt!(\"Confirm input: \"; YesNoInput)` ====");
37 let input = prompt!("Confirm input: "; YesNoInput); // read a bool
38 println!("You entered: \"{input}\"");
39
40 println!("\n==== `prompt!(\"Confirm input: \"; [true] YesNoInput)` ====");
41 let input = prompt!("Confirm input: "; [true] YesNoInput); // set a default value
42 println!("You entered: \"{input}\"");
43
44
45 println!("\n==== `read!([\"red\", \"green\", \"blue\"])` ====");
46 let (index, input) = read!(["red", "green", "blue"]); // choose from a list of options
47 println!("You entered: index {index}, \"{input}\"");
48 println!("\n==== `read!(= \"red\", \"green\", \"blue\")` ====");
49 let (index, input) = read!(= "red", "green", "blue"); // some inputs types have special syntax
50 println!("You entered: index {index}, \"{input}\"");
51
52 println!("\n==== `read!([InputOption::new(...), ...])` ====");
53 let (index, input) = read!([
54 InputOption::new("1", &["red" , "r", "choose first" ], ()), // displayed as "1: red", can be chosen with "1", "red", "r", or "choose first"
55 InputOption::new("2", &["green", "g", "choose second"], ()),
56 InputOption::new("3", &["blue" , "b", "choose third" ], ()),
57 ]);
58 println!("You entered: index {index}, \"{}\"", input.names[0]);
59
60 println!("\n==== `read!(= ...)` ====");
61 let (index, input) = read!(=
62 "1"; "red" ; ["r", "choose first" ]; (), // displayed as "1: red", can be chosen with "1", "red", "r", or "choose first"
63 "2"; "green"; ["g", "choose second"]; (),
64 "3"; "blue" ; ["b", "choose third" ]; (),
65 );
66 println!("You entered: index {index}, \"{}\"", input.names[0]);
67
68 println!("\n==== `prompt!(\"Enter an even int: \"; TransformValidate(...));` ====");
69 // one-time custom logic
70 let input = prompt!("Enter an even int: "; TransformValidate (|x| {
71 // validate input as an integer
72 let Ok(x) = x.parse::<isize>() else {return Err(String::from("Could not parse input"));};
73 // validate input as even
74 if x % 2 != 0 {return Err(String::from("Input is not even."));}
75 Ok(x)
76 }));
77 println!("You entered: \"{input}\"");
78
79
80 println!("\n==== `prompt!(\"Enter an int: \"; [2usize] = \"a\", \"b\", \"c\")` ====");
81 let (index, input) = prompt!("Enter an int: "; [2usize] = "a", "b", "c"); // combine any features
82 println!("You entered: index {index}, \"{input}\"");
83
84
85 println!();
86 println!("read_lines example finished");
87 wait_for_enter();
88
89}