File: associated-types-issue-20346.stderr

package info (click to toggle)
rustc 1.88.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 934,128 kB
  • sloc: xml: 158,127; python: 36,062; javascript: 19,855; sh: 19,700; cpp: 18,947; ansic: 12,993; asm: 4,792; makefile: 690; lisp: 29; perl: 29; ruby: 19; sql: 11
file content (27 lines) | stat: -rw-r--r-- 1,066 bytes parent folder | download | duplicates (15)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
error[E0271]: type mismatch resolving `<Adapter<I> as Iterator>::Item == Option<T>`
  --> $DIR/associated-types-issue-20346.rs:34:36
   |
LL | fn test_adapter<T, I: Iterator<Item=Option<T>>>(it: I) {
   |                 - found this type parameter
...
LL |     is_iterator_of::<Option<T>, _>(&adapter);
   |     ------------------------------ ^^^^^^^^ type mismatch resolving `<Adapter<I> as Iterator>::Item == Option<T>`
   |     |
   |     required by a bound introduced by this call
   |
note: expected this to be `Option<T>`
  --> $DIR/associated-types-issue-20346.rs:23:17
   |
LL |     type Item = T;
   |                 ^
   = note:        expected enum `Option<T>`
           found type parameter `T`
note: required by a bound in `is_iterator_of`
  --> $DIR/associated-types-issue-20346.rs:15:34
   |
LL | fn is_iterator_of<A, I: Iterator<Item=A>>(_: &I) {}
   |                                  ^^^^^^ required by this bound in `is_iterator_of`

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0271`.