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

   1 // run-rustfix
   2 #![warn(clippy::unit_arg)]
   3 #![allow(clippy::no_effect, unused_must_use, unused_variables)]
   4
   5 use std::fmt::Debug;
   6
   7 fn foo<T: Debug>(t: T) {
   8     println!("{:?}", t);
   9 }
  10
  11 fn foo3<T1: Debug, T2: Debug, T3: Debug>(t1: T1, t2: T2, t3: T3) {
  12     println!("{:?}, {:?}, {:?}", t1, t2, t3);
  13 }
  14
  15 fn bad() {
  16     foo({});
  17     foo3({}, 2, 2);
  18     taking_two_units({}, foo(0));
  19     taking_three_units({}, foo(0), foo(1));
  20 }
  21
  22 fn taking_two_units(a: (), b: ()) {}
  23 fn taking_three_units(a: (), b: (), c: ()) {}
  24
  25 fn main() {
  26     bad();
  27 }