1 error[E0599]: no method named `filterx` found for struct `Map<Repeat, [closure@$DIR/issue-30786.rs:127:27: 127:36]>` in the current scope
2 --> $DIR/issue-30786.rs:128:22
4 LL | pub struct Map<S, F> {
7 | method `filterx` not found for this
8 | doesn't satisfy `_: StreamExt`
10 LL | let filter = map.filterx(|x: &_| true);
11 | ^^^^^^^ method not found in `Map<Repeat, [closure@$DIR/issue-30786.rs:127:27: 127:36]>`
13 = note: the method `filterx` exists but the following trait bounds were not satisfied:
14 `&'a mut Map<Repeat, [closure@$DIR/issue-30786.rs:127:27: 127:36]>: Stream`
15 which is required by `Map<Repeat, [closure@$DIR/issue-30786.rs:127:27: 127:36]>: StreamExt`
16 `&'a mut &Map<Repeat, [closure@$DIR/issue-30786.rs:127:27: 127:36]>: Stream`
17 which is required by `&Map<Repeat, [closure@$DIR/issue-30786.rs:127:27: 127:36]>: StreamExt`
18 `&'a mut &mut Map<Repeat, [closure@$DIR/issue-30786.rs:127:27: 127:36]>: Stream`
19 which is required by `&mut Map<Repeat, [closure@$DIR/issue-30786.rs:127:27: 127:36]>: StreamExt`
21 error[E0599]: no method named `countx` found for struct `Filter<Map<Repeat, for<'r> fn(&'r u64) -> &'r u64 {identity::<u64>}>, [closure@$DIR/issue-30786.rs:140:30: 140:42]>` in the current scope
22 --> $DIR/issue-30786.rs:141:24
24 LL | pub struct Filter<S, F> {
25 | -----------------------
27 | method `countx` not found for this
28 | doesn't satisfy `_: StreamExt`
30 LL | let count = filter.countx();
31 | ^^^^^^ method not found in `Filter<Map<Repeat, for<'r> fn(&'r u64) -> &'r u64 {identity::<u64>}>, [closure@$DIR/issue-30786.rs:140:30: 140:42]>`
33 = note: the method `countx` exists but the following trait bounds were not satisfied:
34 `&'a mut Filter<Map<Repeat, for<'r> fn(&'r u64) -> &'r u64 {identity::<u64>}>, [closure@$DIR/issue-30786.rs:140:30: 140:42]>: Stream`
35 which is required by `Filter<Map<Repeat, for<'r> fn(&'r u64) -> &'r u64 {identity::<u64>}>, [closure@$DIR/issue-30786.rs:140:30: 140:42]>: StreamExt`
36 `&'a mut &Filter<Map<Repeat, for<'r> fn(&'r u64) -> &'r u64 {identity::<u64>}>, [closure@$DIR/issue-30786.rs:140:30: 140:42]>: Stream`
37 which is required by `&Filter<Map<Repeat, for<'r> fn(&'r u64) -> &'r u64 {identity::<u64>}>, [closure@$DIR/issue-30786.rs:140:30: 140:42]>: StreamExt`
38 `&'a mut &mut Filter<Map<Repeat, for<'r> fn(&'r u64) -> &'r u64 {identity::<u64>}>, [closure@$DIR/issue-30786.rs:140:30: 140:42]>: Stream`
39 which is required by `&mut Filter<Map<Repeat, for<'r> fn(&'r u64) -> &'r u64 {identity::<u64>}>, [closure@$DIR/issue-30786.rs:140:30: 140:42]>: StreamExt`
41 error: aborting due to 2 previous errors
43 For more information about this error, try `rustc --explain E0599`.