1 error[E0599]: the method `filterx` exists for struct `Map<Repeat, [closure@$DIR/issue-30786.rs:126:27: 126:36]>`, but its trait bounds were not satisfied
2 --> $DIR/issue-30786.rs:127:22
4 LL | pub struct Map<S, F> {
7 | method `filterx` not found for this
8 | doesn't satisfy `_: StreamExt`
10 LL | let filter = map.filterx(|x: &_| true);
11 | ^^^^^^^ method cannot be called on `Map<Repeat, [closure@$DIR/issue-30786.rs:126:27: 126:36]>` due to unsatisfied trait bounds
13 note: the following trait bounds were not satisfied:
14 `&'a mut &Map<Repeat, [closure@$DIR/issue-30786.rs:126:27: 126:36]>: Stream`
15 `&'a mut &mut Map<Repeat, [closure@$DIR/issue-30786.rs:126:27: 126:36]>: Stream`
16 `&'a mut Map<Repeat, [closure@$DIR/issue-30786.rs:126:27: 126:36]>: Stream`
17 --> $DIR/issue-30786.rs:105:50
19 LL | impl<T> StreamExt for T where for<'a> &'a mut T: Stream {}
20 | --------- - ^^^^^^ unsatisfied trait bound introduced here
22 error[E0599]: the method `countx` exists for struct `Filter<Map<Repeat, for<'r> fn(&'r u64) -> &'r u64 {identity::<u64>}>, [closure@$DIR/issue-30786.rs:139:30: 139:42]>`, but its trait bounds were not satisfied
23 --> $DIR/issue-30786.rs:140:24
25 LL | pub struct Filter<S, F> {
26 | -----------------------
28 | method `countx` not found for this
29 | doesn't satisfy `_: StreamExt`
31 LL | let count = filter.countx();
32 | ^^^^^^ method cannot be called on `Filter<Map<Repeat, for<'r> fn(&'r u64) -> &'r u64 {identity::<u64>}>, [closure@$DIR/issue-30786.rs:139:30: 139:42]>` due to unsatisfied trait bounds
34 note: the following trait bounds were not satisfied:
35 `&'a mut &Filter<Map<Repeat, for<'r> fn(&'r u64) -> &'r u64 {identity::<u64>}>, [closure@$DIR/issue-30786.rs:139:30: 139:42]>: Stream`
36 `&'a mut &mut Filter<Map<Repeat, for<'r> fn(&'r u64) -> &'r u64 {identity::<u64>}>, [closure@$DIR/issue-30786.rs:139:30: 139:42]>: Stream`
37 `&'a mut Filter<Map<Repeat, for<'r> fn(&'r u64) -> &'r u64 {identity::<u64>}>, [closure@$DIR/issue-30786.rs:139:30: 139:42]>: Stream`
38 --> $DIR/issue-30786.rs:105:50
40 LL | impl<T> StreamExt for T where for<'a> &'a mut T: Stream {}
41 | --------- - ^^^^^^ unsatisfied trait bound introduced here
43 error: aborting due to 2 previous errors
45 For more information about this error, try `rustc --explain E0599`.