src/tools/clippy/tests/ui/suspicious_splitn.rs

   1 #![warn(clippy::suspicious_splitn)]
   2
   3 fn main() {
   4     let _ = "a,b,c".splitn(3, ',');
   5     let _ = [0, 1, 2, 1, 3].splitn(3, |&x| x == 1);
   6     let _ = "".splitn(0, ',');
   7     let _ = [].splitn(0, |&x: &u32| x == 1);
   8
   9     let _ = "a,b".splitn(0, ',');
  10     let _ = "a,b".rsplitn(0, ',');
  11     let _ = "a,b".splitn(1, ',');
  12     let _ = [0, 1, 2].splitn(0, |&x| x == 1);
  13     let _ = [0, 1, 2].splitn_mut(0, |&x| x == 1);
  14     let _ = [0, 1, 2].splitn(1, |&x| x == 1);
  15     let _ = [0, 1, 2].rsplitn_mut(1, |&x| x == 1);
  16
  17     const X: usize = 0;
  18     let _ = "a,b".splitn(X + 1, ',');
  19     let _ = "a,b".splitn(X, ',');
  20 }