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

   1 // run-rustfix
   2 #![warn(clippy::default_instead_of_iter_empty)]
   3 #![allow(dead_code)]
   4 use std::collections::HashMap;
   5
   6 #[derive(Default)]
   7 struct Iter {
   8     iter: std::iter::Empty<usize>,
   9 }
  10
  11 fn main() {
  12     // Do lint.
  13     let _ = std::iter::empty::<usize>();
  14     let _ = std::iter::empty::<HashMap<usize, usize>>();
  15     let _foo: std::iter::Empty<usize> = std::iter::empty();
  16
  17     // Do not lint.
  18     let _ = Vec::<usize>::default();
  19     let _ = String::default();
  20     let _ = Iter::default();
  21 }