1 use nom::{
2 character::complete::{alphanumeric1 as alphanumeric, line_ending as eol},
3 multi::many0,
4 sequence::terminated,
5 IResult,
6 };
7
end_of_line(input: &str) -> IResult<&str, &str>8 pub fn end_of_line(input: &str) -> IResult<&str, &str> {
9 if input.is_empty() {
10 Ok((input, input))
11 } else {
12 eol(input)
13 }
14 }
15
read_line(input: &str) -> IResult<&str, &str>16 pub fn read_line(input: &str) -> IResult<&str, &str> {
17 terminated(alphanumeric, end_of_line)(input)
18 }
19
read_lines(input: &str) -> IResult<&str, Vec<&str>>20 pub fn read_lines(input: &str) -> IResult<&str, Vec<&str>> {
21 many0(read_line)(input)
22 }
23
24 #[cfg(feature = "alloc")]
25 #[test]
read_lines_test()26 fn read_lines_test() {
27 let res = Ok(("", vec!["Duck", "Dog", "Cow"]));
28
29 assert_eq!(read_lines("Duck\nDog\nCow\n"), res);
30 assert_eq!(read_lines("Duck\nDog\nCow"), res);
31 }
32