bake 0.3.0

A containerized build system.
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
57
58
59
60
61
62
63
64
65
66
67
68
69

// This function takes a number and a noun and returns a string representing
// the noun with the given multiplicity (pluralizing if necessary). For
// example, (3, "cow") becomes "3 cows".
pub fn number(n: usize, noun: &str) -> String {
  if n == 1 {
    format!("{} {}", n, noun)
  } else {
    format!("{} {}s", n, noun)
  }
}

// This function takes an array of strings and returns a comma-separated list
// with the word "and" (and an Oxford comma, if applicable) between the last
// two items.
pub fn series(items: &[String]) -> String {
  match items.len() {
    0 => "".to_owned(),
    1 => items[0].clone(),
    2 => format!("{} and {}", items[0], items[1]),
    _ => format!(
      "{}, and {}",
      items[..items.len() - 1].join(", "),
      items[items.len() - 1]
    ),
  }
}

#[cfg(test)]
mod tests {
  use crate::format::{number, series};

  #[test]
  fn number_zero() {
    assert_eq!(number(0, "cow"), "0 cows");
  }

  #[test]
  fn number_one() {
    assert_eq!(number(1, "cow"), "1 cow");
  }

  #[test]
  fn number_two() {
    assert_eq!(number(2, "cow"), "2 cows");
  }

  #[test]
  fn series_empty() {
    assert_eq!(series(&[]), "");
  }

  #[test]
  fn series_one() {
    assert_eq!(series(&["foo".to_owned()]), "foo");
  }

  #[test]
  fn series_two() {
    assert_eq!(series(&["foo".to_owned(), "bar".to_owned()]), "foo and bar");
  }

  #[test]
  fn series_three() {
    assert_eq!(
      series(&["foo".to_owned(), "bar".to_owned(), "baz".to_owned()]),
      "foo, bar, and baz"
    );
  }
}