rustlings

solving rustlings ft. dracuxan
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primitive_types4.rs (592B)

      1 fn main() {
      2     // You can optionally experiment here.
      3 }
      4 
      5 #[cfg(test)]
      6 mod tests {
      7     #[test]
      8     fn slice_out_of_array() {
      9         let a = [1, 2, 3, 4, 5];
     10         //       0  1  2  3  4  <- indices
     11         //          -------
     12         //             |
     13         //             +--- slice
     14 
     15         // Note that the upper index 4 is excluded.
     16         let nice_slice = &a[1..4];
     17         assert_eq!([2, 3, 4], nice_slice);
     18 
     19         // The upper index can be included by using the syntax `..=` (with `=` sign)
     20         let nice_slice = &a[1..=3];
     21         assert_eq!([2, 3, 4], nice_slice);
     22     }
     23 }