src/test/ui/mismatched_types/issue-36053-2.stderr

   1 error[E0599]: no method named `count` found for type `std::iter::Filter<std::iter::Fuse<std::iter::Once<&str>>, [closure@$DIR/issue-36053-2.rs:17:39: 17:53]>` in the current scope
   2   --> $DIR/issue-36053-2.rs:17:55
   3    |
   4 17 |     once::<&str>("str").fuse().filter(|a: &str| true).count();
   5    |                                                       ^^^^^
   6    |
   7    = note: the method `count` exists but the following trait bounds were not satisfied:
   8            `[closure@$DIR/issue-36053-2.rs:17:39: 17:53] : std::ops::FnMut<(&_,)>`
   9            `std::iter::Filter<std::iter::Fuse<std::iter::Once<&str>>, [closure@$DIR/issue-36053-2.rs:17:39: 17:53]> : std::iter::Iterator`
  10
  11 error[E0281]: type mismatch: `[closure@$DIR/issue-36053-2.rs:17:39: 17:53]` implements the trait `for<'r> std::ops::FnMut<(&'r str,)>`, but the trait `for<'r> std::ops::FnMut<(&'r &str,)>` is required
  12   --> $DIR/issue-36053-2.rs:17:32
  13    |
  14 17 |     once::<&str>("str").fuse().filter(|a: &str| true).count();
  15    |                                ^^^^^^ -------------- implements `for<'r> std::ops::FnMut<(&'r str,)>`
  16    |                                |
  17    |                                requires `for<'r> std::ops::FnMut<(&'r &str,)>`
  18    |                                expected &str, found str
  19
  20 error: aborting due to 2 previous errors
  21