easier/
lib.rs

1pub mod act;
2pub mod io;
3pub mod iter;
4mod orderedmap;
5pub mod strings;
6
7pub mod prelude {
8    pub use super::act::*;
9    pub use super::io::*;
10    pub use super::iter::any::*;
11    pub use super::iter::collections::*;
12    pub use super::iter::convert::*;
13    pub use super::iter::groupby::*;
14    pub use super::iter::sort::*;
15    pub use super::iter::unique::*;
16    pub use super::iter::*;
17    pub use super::strings::*;
18}
19
20#[cfg(test)]
21mod tests {
22    use std::{
23        collections::{HashMap, HashSet},
24        fs::File,
25        io::{BufRead, BufReader},
26    };
27
28    use crate::prelude::*;
29    #[test]
30    fn readme() {
31        //to_vec
32        let a1 = [1, 2, 3].iter().map(|a| a * 2).to_vec();
33        let b1 = [1, 2, 3].iter().map(|a| a * 2).to_hashset();
34        let c1 = [(1, 2), (3, 4)].into_iter().to_hashmap();
35
36        let a2 = [1, 2, 3].iter().map(|a| a * 2).collect::<Vec<_>>();
37        let b2 = [1, 2, 3].iter().map(|a| a * 2).collect::<HashSet<_>>();
38        let c2 = [(1, 2), (3, 4)].into_iter().collect::<HashMap<_, _>>();
39        assert_eq!(a1, a2);
40        assert_eq!(b1, b2);
41        assert_eq!(c1, c2);
42
43        //into_vec
44        let mut a = HashSet::<u8>::from_iter([1, 2, 3]).into_vec();
45        let mut b = HashSet::<u8>::from_iter([1, 2, 3])
46            .into_iter()
47            .collect::<Vec<_>>();
48        a.sort();
49        b.sort();
50        assert_eq!(a, b);
51        //any
52        let vec = vec![1];
53        assert_eq!(
54            if vec.any() { true } else { false },
55            if !vec.is_empty() { true } else { false }
56        );
57    }
58
59    #[test]
60    #[should_panic]
61    fn readme_io() {
62        //io
63        let path = "/tmp/test.txt";
64        for line in BufReader::new(File::open(&path).unwrap()).lines() {
65            let line = line.unwrap();
66            println!("{line}");
67        }
68
69        let file = File::open(&path);
70        match file {
71            Ok(file) => {
72                for line in BufReader::new(file).lines() {
73                    match line {
74                        Ok(line) => println!("{line}"),
75                        Err(_) => panic!("Error"),
76                    }
77                }
78            }
79            Err(_) => panic!("Error"),
80        }
81
82        for line in lines(path) {
83            println!("{line}");
84        }
85    }
86}
easier/lib.rs

easier/
lib.rs
