just 1.53.0

🤖 Just a command runner
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

use super::*;

pub(crate) struct Count<T: Display> {
  count: usize,
  noun: T,
  numbered: bool,
}

impl<T: Display> Count<T> {
  pub(crate) fn numbered(noun: T, count: impl Borrow<usize>) -> Self {
    Self {
      count: *count.borrow(),
      noun,
      numbered: true,
    }
  }

  pub(crate) fn unnumbered(noun: T, count: impl Borrow<usize>) -> Self {
    Self {
      count: *count.borrow(),
      noun,
      numbered: false,
    }
  }
}

impl<T: Display> Display for Count<T> {
  fn fmt(&self, f: &mut Formatter) -> fmt::Result {
    if self.numbered {
      write!(f, "{} ", self.count)?;
    }
    write!(f, "{}", self.noun)?;
    if self.count != 1 {
      write!(f, "s")?;
    }
    Ok(())
  }
}

#[cfg(test)]
mod tests {
  use super::*;

  #[test]
  fn count() {
    assert_eq!(Count::unnumbered("dog", 0).to_string(), "dogs");
    assert_eq!(Count::unnumbered("dog", 1).to_string(), "dog");
    assert_eq!(Count::unnumbered("dog", 2).to_string(), "dogs");
    assert_eq!(Count::numbered("dog", 0).to_string(), "0 dogs");
    assert_eq!(Count::numbered("dog", 1).to_string(), "1 dog");
    assert_eq!(Count::numbered("dog", 2).to_string(), "2 dogs");
  }
}