tests/ui/argument-suggestions/issue-100478.rs

   1 use std::sync::Arc;
   2 macro_rules! GenT {
   3     ($name:tt) => {
   4         #[derive(Default, Debug)]
   5         struct $name {
   6             #[allow(unused)]
   7             val: i32,
   8         }
   9
  10         impl $name {
  11             #[allow(unused)]
  12             fn new(val: i32) -> Self {
  13                 $name { val }
  14             }
  15         }
  16     };
  17 }
  18
  19 GenT!(T1);
  20 GenT!(T2);
  21 GenT!(T3);
  22 GenT!(T4);
  23 GenT!(T5);
  24 GenT!(T6);
  25 GenT!(T7);
  26 GenT!(T8);
  27
  28 #[allow(unused)]
  29 fn foo(p1: T1, p2: Arc<T2>, p3: T3, p4: Arc<T4>, p5: T5, p6: T6, p7: T7, p8: Arc<T8>) {}
  30 fn three_diff(_a: T1, _b: T2, _c: T3) {}
  31 fn four_shuffle(_a: T1, _b: T2, _c: T3, _d: T4) {}
  32
  33 fn main() {
  34     three_diff(T2::new(0)); //~ ERROR function takes
  35     four_shuffle(T3::default(), T4::default(), T1::default(), T2::default()); //~ ERROR 35:5: 35:17: arguments to this function are incorrect [E0308]
  36     four_shuffle(T3::default(), T2::default(), T1::default(), T3::default()); //~ ERROR 36:5: 36:17: arguments to this function are incorrect [E0308]
  37
  38     let p1 = T1::new(0);
  39     let p2 = Arc::new(T2::new(0));
  40     let p3 = T3::new(0);
  41     let p4 = Arc::new(T4::new(1));
  42     let p5 = T5::new(0);
  43     let p6 = T6::new(0);
  44     let p7 = T7::new(0);
  45     let p8 = Arc::default();
  46
  47     foo(
  48         //~^ 47:5: 47:8: this function takes 8 arguments but 7 arguments were supplied [E0061]
  49         p1, //p2,
  50         p3, p4, p5, p6, p7, p8,
  51     );
  52 }