src/tools/clippy/tests/ui/range_plus_minus_one.fixed

   1 // run-rustfix
   2
   3 #![allow(unused_parens)]
   4 #![allow(clippy::iter_with_drain)]
   5 fn f() -> usize {
   6     42
   7 }
   8
   9 macro_rules! macro_plus_one {
  10     ($m: literal) => {
  11         for i in 0..$m + 1 {
  12             println!("{}", i);
  13         }
  14     };
  15 }
  16
  17 macro_rules! macro_minus_one {
  18     ($m: literal) => {
  19         for i in 0..=$m - 1 {
  20             println!("{}", i);
  21         }
  22     };
  23 }
  24
  25 #[warn(clippy::range_plus_one)]
  26 #[warn(clippy::range_minus_one)]
  27 fn main() {
  28     for _ in 0..2 {}
  29     for _ in 0..=2 {}
  30
  31     for _ in 0..=3 {}
  32     for _ in 0..=3 + 1 {}
  33
  34     for _ in 0..=5 {}
  35     for _ in 0..=1 + 5 {}
  36
  37     for _ in 1..=1 {}
  38     for _ in 1..=1 + 1 {}
  39
  40     for _ in 0..13 + 13 {}
  41     for _ in 0..=13 - 7 {}
  42
  43     for _ in 0..=f() {}
  44     for _ in 0..=(1 + f()) {}
  45
  46     let _ = ..11 - 1;
  47     let _ = ..11;
  48     let _ = ..11;
  49     let _ = (1..=11);
  50     let _ = ((f() + 1)..=f());
  51
  52     const ONE: usize = 1;
  53     // integer consts are linted, too
  54     for _ in 1..=ONE {}
  55
  56     let mut vec: Vec<()> = std::vec::Vec::new();
  57     vec.drain(..);
  58
  59     macro_plus_one!(5);
  60     macro_minus_one!(5);
  61 }